The document discusses leveraging Open XML to generate documents programmatically. It reviews document generation approaches like print merge and office automation. Open XML is an ISO standard XML format used in Office 2003 and beyond to represent documents in a zip packaged format. The document outlines challenges of generating Word and PowerPoint documents using Open XML and how SDK tools like the OpenXML Diff tool can help. It provides an example of generating 200 PowerPoint presentations with over 400 slides and 372 charts/tables for a client.