It is a Computer-Aided Design (CAD ... add text, watermark, mirror, apply filters, and more. If you have multiple DWG files and you want to convert them all to PDF format at once to save time ...

That's why converting DWG to PDF ... files are used to exchange 2D or 3D vector data between different CAD software, especially those that do not support DWG files. DXF files are plain text ...