Chase unsigned agreements, compare invoices, flag purchase changes. Every one is ready to run, and you can adjust it in plain language.
Keep repeat quotes traceable to the requests behind them.
Your sourcing team gets the repeat quote and original request in the shared register, ready to open from the same entry.
Surface supplier quote changes that need another purchasing decision.
See whether a supplier's replacement quote changes the terms on your purchase request before you decide again.
Keep contract requests missing a W-9 out of the approval queue.
Your requesters get a clear W-9 correction email. Their contract tasks wait in your needs-documents section with a comment.