allow users to change purchase order variance account

Summary:

Only buyers can change order a PO and change the variance account.

Content (please ensure you mask any confidential information):

Can we edit a custom role to grant the access to change the variance account? What privilege would allow that? Or do they need to be configured in Manage Procurement Agents?

Version (include the version you are using, if applicable):

24C

Code Snippet (add any code snippets that support your topic, if applicable):

NA