Schools, colleges, and other organizations that provide formal teaching and learning.
Your policy owner gets a private alert when a purchase request breaks your spend rules, so they can choose the next reviewer.
Your requesters know what to add to their original purchase forms, while the approval waits for a reviewer.
Your finance reviewer can see the current budget balance beside a purchase request, without hunting through a separate sheet.
Your requester sees a clear list of missing details on the purchase request, ready to fix before manager review.