Resolution

Update the final approver's permissions to increase PO conversion limitation or forward the pending action to a user without the restriction on purchase order conversions.

How to update find and update the relevant permission.

System Administration>Security>User Attributes

Search for the final approver's User Id
Click Edit Role on their Purchasing role
Click the Purchase Orders permissions folder
Update Maximum Requisition to PO Conversion Amount- If set to 0.00 the maximum dollar amount restriction for this permission is removed

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