SAP S/4HANA Sales and Distribution module In the evolving landscape of business enterprise useful resource making plans (ERP), SAP S/4HANA has emerged as a recreation-changer for companies worldwide. At the heart of many business enterprise techniques lies the Sales and Distribution (SD) module, which manages the whole lot from order advent to billing and client shipping. With industries adopting SAP S/4HANA at scale, experts with licensed know-how in SAP S/4HANA SD are tremendously widespread.