To manage due orders efficiently, follow these steps within the sales module:

1. Access the order section.
2. For orders with partial payments, a "Partial" tag will be displayed.
3. To complete the remaining payment for a partial order, click the "Pay" button.
4. You can choose your desired payment method to accept the payment.
5. If you'd like to print the order receipt, click the "Print" button.
6. To send the order receipt via WhatsApp, click the "WhatsApp" button and enter the recipient's number.
   
7. You can also email the order receipt by entering the customer's email address.