Add an Approver Role

Hi team, We have a client asking whether the "adding an approver" feature available in OneSpan Sign? Let’s say we have the 1st signer, the 2nd approver, and the 3rd signer. After the 1st signer signed the package, it goes to the 2nd approver, the 2nd approver doesn’t need to sign anything, but only when the 2nd approver make sure the package is right and maybe click a button or trigger an event, the package goes to the 3rd signer for signing. Thanks,