[docs] PR for Documentation for multiple subscription support with az…

…ure (#11609)

* Added content; fixed list formatting.

* Implemented review comments

* copied changes to stable

docs/content/latest/yugabyte-platform/configure-yugabyte-platform/set-up-cloud-provider/azure.md

@@ -120,15 +120,15 @@ You can set a private DNS zone as follows:
 
     ![Private DNS: basics tab](/images/yb-platform/install/azure/private-dns-basics-tab.png)<br><br>
 
-1. Navigate to the resource page and click **Settings > Virtual Network Links** on the left tab, as per the following illustration:<br><br>
+1. Navigate to the resource page and click **Settings > Virtual Network Links**, as per the following illustration:<br><br>
 
     ![Resource menu](/images/yb-platform/install/azure/resource-menu.png)<br><br>
 
 1. Add a link to the virtual network to which you want it to be connected. For more information, see [Create an Azure private DNS zone using the Azure portal](https://docs.microsoft.com/en-us/azure/dns/private-dns-getstarted-portal).
 
 1. To use the private DNS zone in Yugabyte Platform, add either the resource ID or the name of the DNS zone to the **Private DNS Zone** field of the **Cloud Provider Configuration** page in the Yugabyte Platform UI.<br>
 
-    Note that if you provide the Resource ID, Yugabyte Platform infers the resource group from it. If you provide only the name, then Yugabyte Platform assumes that the resource group is the same as the group used in the cloud provider.
+    If the private DNS zone is defined by an ID, Yugabyte Platform will use it together with the default subscription ID and the resource group. If the private DNS zone is defined by a full URL that contains both the subscription ID and resource group, then these two values will be used instead of default values.
 
 In the setup example shown in the following illustration, the private DNS zone is specified as `dns.example.com`, and the resource group is explicitly specified as `myRG`:
 
@@ -180,15 +180,15 @@ You set up a shared gallery image on Azure as follows:
 
 1. Navigate to the VM and click **Capture** on the top menu. 
 
-1. Fill in the information and then choose the gallery and image definition you created in the previous steps, as per the following illustration:
+1. Fill in the information and then choose the gallery and image definition you created in the previous steps, as per the following illustration:<br><br>
 
     ![img](/images/yb-platform/install/azure/shared-gallery-capture.png)
 
-    Ensure that the images are replicated to each region in which you are planning to use them. For example, configuration shown in the following illustration would only work for US East:
+    <br><br>Ensure that the images are replicated to each region in which you are planning to use them. For example, configuration shown in the following illustration would only work for US East:
 
     ![description](/images/yb-platform/install/azure/shared-gallery-replication.png)
 
-1. To use the image in Yugabyte Platform, enter the image version's resource ID into the **Marketplace Image URN/Shared Gallery Image ID** field of the **Specify Region Info** dialog.
+1. To use the image in Yugabyte Platform, enter the image version's resource ID into the **Marketplace Image URN / Shared Gallery Image ID** field of the **Specify Region Info** dialog.
 
-    
+   <br>The gallery image ID could be defined by a full URL containing a subscription ID, a resource group name, and the resource name itself. If the subscription ID or the resource group is different from the default values, Yugabyte Platform will use them instead.
 

docs/content/stable/yugabyte-platform/configure-yugabyte-platform/set-up-cloud-provider/azure.md

@@ -186,7 +186,7 @@ You set up a shared gallery image on Azure as follows:
 
     ![description](/images/yb-platform/install/azure/shared-gallery-replication.png)
 
-1. To use the image in Yugabyte Platform, enter the image version's resource ID into the **Marketplace Image URN/Shared Gallery Image ID** field of the **Specify Region Info** dialog.
+1. To use the image in Platform, put the image version's resource ID into the Marketplace Image URN/Shared Gallery Image ID field of the Region Info popup.
 
-
+    <br>The gallery image ID could be defined by a full URL containing a subscription ID, a resource group name, and the resource name itself. If the subscription ID or the resource group is different from the default values, Yugabyte Platform will use them instead.