Carry revision notes, check latest drafts, compare approved terms. Every one is ready to run, and you can adjust it in plain language.
Keep original invoices beside pending bills for review.
Your bill reviewers can open the supplier's original invoice from the pending bill, even when the file arrives later.
Give bill reviewers the invoice evidence behind each approval.
Your bill reviewers get the supplier invoice and any mismatches together before they decide what to approve.
Mark supplier swaps on approved orders for another decision.
Your purchase orders show the old and new supplier in a private note, with a clear reapproval flag for your accounting lead.
Surface changed purchase terms that need another approval.
Your reviewers see what changed since the last approval and get the revised order for a fresh decision.