Approval hierarchy means supplier can assign credit approval levels to individual manager users by a set $ value. 

Once a supplier has set up 1CAH on their account, all applications will automatically be assigned to the approvers, at the nominated levels as prospects complete them.  When it’s an approvers turn to review the application they will be notified if they are required.  For example if an account is set up with a level 3 approver, who only reviews applications >$100k, they will not get involved with an approval for an application with a credit request of $5k.