Update concepts-identity.md

Additional clarification added
-------
cc: @jjaygbay1 , @suzizuber

Author: Zsoldier

articles/azure-vmware/concepts-identity.md

@@ -114,6 +114,7 @@ The following permissions are assigned to the **cloudadmin** user in Azure VMwar
 
 > [!NOTE]
 > **VMware NSX-T Data Center cloudadmin user** on Azure VMware Solution is not the same as the **cloudadmin user** mentioned in the VMware product documentation.
+> Functionality may be limited to policy API only in most cases.
 
 | Category        | Type                  | Operation                                                            | Permission                                                       |
 |-----------------|-----------------------|----------------------------------------------------------------------|------------------------------------------------------------------|