SAP-HR is also known as SAP Human Capital Management. SAP HCM contains vital sub-modules like Personnel Administration (PA), Organizational Management (OM), Time, and Payroll all of that will be deliberated in the detail. SAP HCM shapes the association at the Enterprise, Personnel, and Organizational of the level. In other simple words, it assists the other different business units, job positions, and Information shapes, current and future signing plans in the SAP ERP. 14. The personnel administration is to the main sub-module of SAP HCM that stores main staff and the data.