The Revenues page will show you the status of all your current orders, as well as clearing times for completed orders (find out more about exactly how funds are processed here).
Awaiting Approval means that the 3-day clearing period is over and the funds are waiting for an administrator to approve them for release that same day. When an administrator has approved the release, your funds will then move from Awaiting Approval to AVAILABLE.
Once funds are made available you can either use them to purchase services on AirGigs or request for them to be sent to PayPal (we send payments to the PayPal address you have entered on your profile settings).