Pay slips can be generated through SAP Logon in employee portal 

Login to SAP ---) DOP Main screen ---) Employee Portal ---) Login again ---) Employee self service ---) Employee Payments ---) Salary statement ---) Select Month and Year ---) View Payslip

New Update:
SAP Employee Portal has now been provisioned over Internet also. Henceforth, SAP Employee Portal will have a common URL for both Internet and Intranet. Hence, it is requested to kindly cause to communicate the new URL to end users/ field units for accessing the portal.