You can use this to get the approval by managers running. http://wiki.scn.sap.com/wiki/display/ERPHCM/Workflow+Customizings+in+Travel+Managementhttp://wiki.sdn.sap.com/wiki/pages/viewpage.action?pageId=235799439
FPB_MAINTAIN_PERS_M Personalization Dialog DIA_CO_CCA_TR User Name Update Input Data only checked Hit 'execute' On the next screen enter P for Selection by field If you choose 'P' (Selection Using List of Personnel Numbers), then you also need to select the Personnel Numbers. - Hit button 'Multiple Selection for Personnel Number' - Hit button 'Multiple Selection' - Use wildcards in 'Last Name' (eg: a*) to get a list of Personnel numbers. - Use the button 'Select all' and then hit the green tick to confirm - Hit F8 to copy the selection to the pers. dialog - Save the personalization dialog.