Once you have been refunded all that you paid to VA, (withholding) then there is no more to refund. You can check the calculations on the summary page.
1. Click "Tax Tools" in the left hand menu
2 Click "Tools" in the left hand menu
3 Click "View Tax Summary" in the center screen
4. Click "Preview my 1040" in the left hand menu
5 Click "VA Tax Summary" in the left hand menu