Amethyst DWG-2-PDF is a powerful Windows program that enables you to quickly and easily batch convert drawings to the Adobe Portable Document Format (PDF). Support for all versions of AutoCAD from 2.5 to 2007. Stand-alone Utilitaire - AutoCAD is NOT required. Stand-alone Utilitaire - Adobe Acrobat is NOT required. Includes a CAD viewer that allows you to view drawings and convert the currently displayed image.