The document discusses SAP BOM redlining, which allows users to propose changes to bills of materials (BOMs) within SAP. It provides an overview of BOM redlining capabilities in SAP PLM 7.02, including visual indicators of changes, integration with change management processes, status networks, and applying approved changes with a single click. The document also offers guidance on setting up and implementing BOM redlining in a new or existing SAP PLM system.