From the Payrolls screen, accessed from Payroll & Leave > Main > Payrolls, select the required roll.
Click on Payslips at the bottom right side of the screen.
From here, you can first Generate any pending payslips (red box in screenshot below), preview generated payslips individually by clicking on the 'eye' button on each record, or Print and/or Publish the payslips as necessary (green boxes in screenshot below).