What Is SAP MM? A Beginner\'s Step-by-Step Guide Starting your SAP journey and wondering **what is SAP MM**? This beginner-friendly guide explains SAP Materials Management in simple terms. Learn how SAP MM handles purchasing, purchase orders, goods receipt, invoice verification, and inventory management. It is a useful starting point for students, working professionals, and anyone exploring SAP MM as a career option. Bookmark this guide and use it as a quick reference while learning SAP MM basics.