Approving Data Using SAP Business Workflow 
Use
If your profile settings require the data you enter in the time sheet to undergo an
approval procedure using workflow, you can use SAP Business Workflow for this purpose.Prerequisites
SAP Business Workflow must be set up in your system settings. For more information, see the SAP Library. Choose Basis Components -> Business Management -> SAP Business Workflow. The units that follow contain the information you require to set up the
approval workflow for the Time Sheet.Procedure
Your SAP Inbox appears.
For each personnel number, there is one entry for data due for approval.
The Time Sheet: Approve Times screen appears. All data assigned the
processing status Released for approval is listed.
If you have selected several personnel numbers, you can process them consecutively.
To do this, select one or more data records and choose
Approve or
Reject.
If you reject any records, a dialog box appears in which you can enter a
rejection reason. You must define the rejection reasons in your system settings.If you have selected several personnel numbers, you can process them consecutively. Repeat steps 5 - 7 until you have processed all the data.
Your Inbox reappears.
Result
You have approved or rejected data records for the employees assigned to you. The approved records are now ready for transfer to the
target component(s).