To know more about how to approve delegate approvals in advance configurations. Follow these following steps.
1. In navbar click advance configurations.
2. Above step will open new tabs in drop down. Click delegations.
3. Above step will open create delegation page.
4. Click create button to create delegation.
5. Above step will open a popup to create delegation.
6. Select the delegator(A person who gave act to another in thier absence) from drop down.
7. Select the types for which delegator is allowed to perform action.
8. Select the delegatee for which delegator is allowed to perform action.
9. Write the description in the box.
10. Click on save button to save delegation.