Please, I want help in making a custom report to show all the details of the sale and purchase orders according to the supplier and by the customer.
post a screen shot of your best custom report to achieve what you want.
a description of what additionally functionality you need to add to your report.
In practice writing a custom report, like all other programing involves a significant amount of trail and error, as well as problem solving skills.
If you a not comfortable starting this task, you will need to employing a programmer.