“3DPDF Exporter For Autodesk® 3ds Max®” exports solid and wire bodies to a 3D PDF file.  

It has following features :

1. Supports face level colors.
2. You can set a password on the exported PDF file.
3. Option to control the file size and quality by specifying precision value. 
4. There is always a default compression which helps reduces the file size as much as possible. 
5. Supports 3ds Max® 2016, 2017, 2018 and 2019.