After successfully logging into Simplify, navigate to the Flow Activities under My Flows
Search for the document under the filter section by clicking on Filter > enter your document identifier (PO Number, Shipment ID, Invoice Number, etc...) and click "Search".
Once you find the document, check the box next to the document
Then select the 3 vertical dots up on the bar and click on "Reprocess"
Click on the red "Reprocess" button.
