Metrics are only accessible for Users with Admin permissions.
Navigate to the Metrics icon in the upper left corner of your browser window.
The Accounts Receivable Metric displays expected income based on Balance Due for Confirmed Orders with Event Dates this calendar month.
Additionally, this Metric includes the sum total of Completed Orders that have a balance that is outstanding.
Also check out the Accounts Receivable Report for a more detailed breakdown of these balances.