Enable notifications for First Responder Wins Parallel Routing Approvals for a PO

We have set up approvals Rules for our customer for Purchase Order using Manage Purchasing Document Approvals and have used Terms approval First Responder Wins for some scenarios to set up parallel routing to approval groups.

The users are getting confused when another approver responds and approves the PO first since they have not received any withdrawn notification and attempt to approve the PO later from the worklist.

Is there a way to have notifications sent to the users stating that the approval authority is "Withdrawn" and has been approved by another user lets say Person A. Please provide us the guidance in accomplishing the same.