Check purchase facts, compare invoices, request missing proof. Every one is ready to run, and you can adjust it in plain language.
Attach supplier invoices and flag bill mismatches for reviewers.
Your bill reviewers get the supplier invoice and any mismatches together before they decide what to approve.
Put purchase order links and line differences on bills for approval.
Your approver sees the purchase order link and line differences on the bill before making a decision.