Can someone who doesn't have the approver_user role approve the request?Issue Email approval without the approver_user role By default, unless we define explicit roles to perform the action, the product does not check for any role need when a user agrees by email. To be more specific, have a look at the Inbound action "Update Approval Request," where you can see that when approval or rejection is handled via email, we don't look for any function that the Sender is required to play.Related LinksYou can refer to the below community thread which explains the same, Why user has no approver_user role can approve/reject by email? Some other links, How to Approve or Reject a record through email? Which is the minimum role required for approvers to approve standard change or request items/catalog items?