What role is required to update maintenance work order on an open purchase order?

Summary:

What role is required to acheive the same in Fusion?

Content (please ensure you mask any confidential information):

Levy is an EBS customer migrating to Fusion. Buyers have the ability to update or add a work order directly on the purchase order.

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

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