Remind reviewers, return incomplete requests, ask for missing evidence. Every one is ready to run, and you can adjust it in plain language.
Your requester knows exactly what to add, and your approver can see why the bill is waiting.
Your proposal owners get the rejection reason and a link in private chat, so they know what to revise before resubmitting.
Your current reviewer gets a timely reminder before a leave decision is due, with the request link close at hand.
Your current reviewer receives a timely card link before a purchase request is due. Your team can see when the reminder went out.