You can edit the Purchase order in two ways. Either you can select the edit option from Purchase order search or you can select the edit option from Purchase order view page.
Click on the Purchase module and select the option Purchase Orders.
Purchase Order search page opens and it consist of various menus and options and it shows all the purchase order created till date.
Click on the More Options menu on the right hand side of the purchase order and select the option Edit. Then it redirects to purchase order form and you can make the edit and click on Update option to save.
