To view all orders on dashboard click Payments >> View All Orders. On View All Orders page, approved orders can be found under Scheduled tab. If there are more than one approver, the order will stay under Pending Approval tab until all approvers have approved the order before it can move to Schedule tab. Rejected orders can be found under Draft tab.

You might be interested in the following questions
How do I know that I have a payment order pending for my approval?
Why do I need an Authentication Code or Approver Code to approve/reject a payment order?
Can I approve a payment order without an Authentication Code or Approver Code?
What is the difference between Authentication Code and Approver Code?
How can I get an Authentication Code to approve or reject a payment order?
How can I get an Approver Code to approve or reject a payment order?
How can I approve orders if I am unable to verify my mobile number?
I received multiple Authentication Codes, which one should I use to approve or reject an order?
I am getting an error that my Authentication Code is not valid or has expired?