You can visit the ‘Sales' section available on the left side of the dashboard and then click on the ‘Customers’ tab to view account receivables, received payments, and daily sales outstanding. 

You can also go to to ‘Sales’ section available on the left side of the dashboard and then click on the ‘Sales Dashboard’ tab to view customer-wise status. You can click on ‘Advanced filter’ and click on ‘Transaction status’ to know only about payments that are due, paid, partially paid, etc.