This screen is to list the Leave and Time Clock Correction Applications of the Approver.

Click the Approve / Reject button to approve or reject that particular application. 

When Allow Mass Approval in Employee Master, EPortal tab is turned on for the approver, and Mass Approval is available. 

If Approve Status is selected to Unapproved, the Approve and Reject buttons will be shown. Check the check-boxes at the rightmost to select the applications that are going to approve and then click the Approve or Reject button for Mass Approval. 

However, make sure your Email Server is capable to send concurrent emails and will not exceed the throttling limits including the number of messages per minute or per day.