Azure Subscription dropdown is empty

AWS to Azure - Subscription dropdown is empty

Issue:
When creating an azure policy in CPM(AWS Based), the dropdown to select the subscription might show nothing 



Solution:

The issue is related to permissions, either the role doesnt have the correct permissions or it was not linked to the app registration.
Please check this two parts in the below KB Article
  1. Part 2 Create a Custom Role and Add Permissions
  1. Part 3 Link the custom role with the app