Comments to the order can be used in two cases: If you want to add a note for yourself (for example, to remember to add freebie) - private note, We want to pass the information to client - public note. Go to the menu SALES > ORDERS In the actions column of an interesting order, click Notes In the window that appears, add a note for yourself or for a client, and then click Save Private notes are visible to the administrator in order summary and public notes are visible to customers on the page with the details of the order.