The document discusses a framework called As Built Report that uses PowerShell to generate documentation for virtual infrastructures. It can generate reports in multiple formats like DOC, HTML, XML and text. It is customizable, supports multiple environments and vendors, and automates the generation of accurate and up-to-date documentation without manual work. The framework is open source and installable from the PowerShell gallery to generate reports with varying levels of detail for components like vCenter, hosts, VMs and more.