SAP Materials Management (MM) has always been one of the most foundational and widely implemented modules in the SAP ecosystem. With the shift from SAP ECC to SAP S/4HANA, the MM module has evolved significantly — bringing simplified data structures, real-time processing, and Fiori-based user experiences. If you're planning to build or advance your career in SAP, understanding the certification roadmap for S/4HANA MM is essential. Here's everything you need to know before you begin.