1, SAPMM module is a material management module in SAP, which involves a wide range of knowledge points, including procurement, inventory management, supplier management, quality management, maintenance management and so on. SD module is the sales and distribution module in SAP, which is mainly used to manage and control the sales process of enterprises. The knowledge points involved in this module include customer management, sales order management, delivery management and invoice management. The learning range of SD is wider than that of MM module.

2.SAPMM module needs to have some basic knowledge of material management and supply chain management. D module is close to the sales process in daily life, and beginners can deepen their understanding through practical operation;

2. To sum up, SD module is relatively easy to learn.