You can view your customer's bill payment history either directly under their account or in the dedicated bill payment report.
Navigate to Customer > Customer.
From the customer list, open a customer profile with bill payment history. You can view complete bill payment history by switching to the Bill Payments tab.
Navigate to Reports > Bill Payments Report.
Here, you can view all bill payments made by customers. Use filter options to refine your view by customer, payment date, or other fields.