Search for the customer in the universal search or find the customer on the customer table

Click on the customer record

Click Sales

Select "Create a new invoice"

Select your routing method and fill in any required fields

Click add invoice

Edit Invoice as needed

Click save changes

Scroll down to invoices

Scan the page for the invoice that should be viewed or editted, or search using the search bar

If the invoice is edittable, click edit invoice

If the invoice if not edittable click on the invoice number or the print icon to view the invoice