To print out a copy of an unpaid Purchase Order (doesn't appear to be an option for fully paid POs) : locate PO in Workday- in View Purchase Order screen, scroll mid-way of page to line of SERVICE LINES, PROCESS HISTORY, ATTACHMENTS, PRINTING RUNS, BALANCES - choose 'Printing Runs' and click on link under 'PDF File' for PO- (opens a printable pdf, click on printer icon)