Yes, you can add comments in a closed invoice by accessing it either from the Appointment Book or from the Admin module. However, you must have the required permissions to edit a closed invoice.
To access a closed invoice from the Appointment Book:
- Click an open slot, and then click Search Invoice No/Receipt No.
- Click Show.
- Select I want to>Edit Invoice.
- Click Edit.
- Add your comments in the Comments section, and then click Save.
You can also click the appointment whose invoice you want to edit, and then click Show Invoice.
To access a closed invoice from the Admin module:
- On the Admin dashboard, click Report>Sales>Select a Report>Search by Invoice No.
- Enter the invoice number and click Search.
- Click Edit.
- Add your comments in the Comments section, and then click Save.