Compare invoices with orders, flag changed purchases. Every one is ready to run, and you can adjust it in plain language.
Your payables lead gets a clear chat alert when a near-due bill lacks a receipt or still needs approval, with links and a question to resolve.
Your approver sees supplier changes after approval. Both supplier names and the request link arrive in chat.
Your purchasing reviewer sees a likely order and its differences in team chat, or a clear reason the bill needs a closer look.