Yes, to adjust invoices credit notes , please follow below steps:
Step 1: Go to the Transactions menu.
Step 2: For goods return from customer, select Sales Return ( Cr. Note).
Step 3: After selecting the voucher, click on Add and fill in the required details such as Date, voucher no., original voucher no., etc.
Step 4: To adjust the rate difference in sale, you can use Cr. Note(w/o Items).
Step 5: After selecting the voucher, click on Add and fill in the required details such as Date, voucher no., GST Nature, etc.