Attach invoices, collect vendor forms, request missing proof. Every one is ready to run, and you can adjust it in plain language.
Send complete purchase requests to the named approver with evidence.
Complete requests reach your reviewer as approval tasks with the evidence and decision due date they need to act.
Link permitted supplier forms to high-value purchase requests.
Your reviewers get the vendor packet beside high-value purchase requests, or a clear list of what's missing before they decide.