How does an AutoCAD Drawing Convert to PDF file?

Hello Experts!
need expert’s advice on how does an AutoCAD Drawing Convert to PDF file. Do I need to use third party software or there is an available tool or utility which converts drawing files to PDF files? If you have used this before or is currently using it, please share it with us and tell us how is your experience upon using the application. Have you faced any problems? Any sharing from anyone will be much appreciated.
Thanks much!
