Approve documents The Approval activity enables you to perform the following tasks. Approve a document via the AP Agility Workflow Configure approval email notifications Reject a document Reassign a document Request a comment Put a document on Hold Save and Retain Ownership of a document Discard Changes to a document Increase the priority of a document Send an email about a document Add a line Clear a line GL codes Cost center codes Work breakdown structures Modify a line Delete one or more lines