Multi-level Approval

Who can create a user group for multi-level approval flow?
How to create a user group for multi-level approval flow?
How to set a multi-level approval flow for purchasing module after creating user groups?
What is the workflow of multi-level approval settings in purchasing modules?
Can an admin see who has approved the PR/RFQ/PO from the activity section of the dashboard?
Can an admin delete the approval levels and the entire rule for a module?
How to delete an approval user group that is already in use for any rule configured?
How to approve the PO from the dashboard?
Can the approval user groups delete/reject a PO?
Where to find the deleted PR/PO?
How to find the Rejected PR?
How to create departments?