A) Refund and exchange both are different points and the button of both points also different but not difficult to understand.

If you want to visible Refund button then follow these steps. You can easily go to the Woocommerce -> Settings -> RAEsetting ->Refund Products  and set following  points.

1)Enable Refund Request.
2)set maximum number of days.

3)Select the orderstatus in which the order can be Refunded.



If you want to visible Exchange button then follow these steps. You can easily go to the Woocommerce -> Settings -> RAEsetting ->Exchange Products  and set following  points.

1)Enable Exchange Request.
2)setMaximum Number of Days.

3)Select the orderstatus in which the order can be Exchanged.