Accounts Payable process starts with Purchasing and ends payments to Vendors. Workflow is: Purchasing team recieve requests-Initiate for quotations from vendors-Purchasing team creates Purchase Order, once the quotation is finalized and obtained all required approvals-PO copy would be sent to Vendor-Vendor will raise invoice and submit to accounts payable-Accounts Payable key invoice into ERP-Once the invoice fall on due invoice will get paid.
As this process start with Procurement (P) and ends with Payments (P), hence this process also named as to P2P.