Approval Lists 
You can to do the following:
View changes made to a change list.
Approve or reject a submitted change list.
Note
Only an approver with the UME action XMII_APPROVE_ACCESS can approve or reject a change list.
You can do the following:
Approve Change List
Upon approval of a change list, an e-mail notification is sent to the approver and the submitter indicating that the changes have been approved. The status is changed to Approved.
View Details
You can see the details for a particular change list. You can also add notes in the Notes to Approver tab.
Reject Change List
On rejecting a change list, an e-mail notification is sent to the approver and the submitter. The status is changed to Rejected.
On the SAP MII administration menu, choose
The Approval List screen along with the details appears.
Select a changed list and Choose Approve.
On the SAP MII administration menu, choose
The Approval List screen along with the details appears.
Select any change list and choose View Details.
The View Details screen displays the changes and notes, if any, for that particular change list.
On the SAP MII administration menu, choose
The Reject List screen along with the details appears.
Select a change list and choose Reject..