You can pay sale or return customer in the second hand screen in Retail Manager. Double click on the SOR Paid column to view details and process payment.
Customer notes will reprint to 80 column receipts. All notes will create a new record that can be viewed individually from the Customer screen in the till.
Retail Manager – Purchase Order History – View Order. If the order is partial there in an option to tick each line if an invoice has been received from your supplier.