User is not a member of the Allocation Policy

Allocation policy typically refers too storage policies or mount paths. 

Mount Path Properties (Allocation Policy)
Establishing the Mount Path Allocation Policy

Does your user belong to the storage policy and/or mount path you’re trying to use for this restore? 

WHen I checked  mount path Allocation Policy It is maximum allowed writers. WHen the admin user execute the workflow IT is completes succesfully. But other user can not execute on VMware restore validate. They could do it before

You have to give rights to that non-admin users or add that user to the master group(admin) to give same access as admin user

Here is a link to the documentation that describes security permissions.

User Security Permissions by Feature

I can not give them admin rights THe could execute and run restore valide before upgrade COmmvault from v11.32 to v11.36