You can preview and print the entire Purchase Order details using Print Preview option.
To print a Purchase Order,
Click the Purchases tab in the header pane to open the purchase list view page.
Click the PO # Name link of the purchase order you wish to print. You can use the Filter drop down to sort and select the PO.
From the Purchase Order details page, click Actions tab -> Print Preview option. The Purchase Order details are displayed in a printable format.
Click Print option or Ctrl +p to print the Purchase Order details.
Set the required options and click Ok.