Automatic email notifications can be switched on in the edit window of each supplier, in the Supplier section in the Administration settings. Email notifications can be tailored depending on the [...]
If the creator of a purchase order has been deleted, their purchase orders will remain unchanged. However, if a user has purchase orders awaiting approval, then these will be automatically [...]
If the pending Purchase Orders have received all approvals except the last level, they will automatically switch to final approval once you delete the last approval level.