Arnold - Substance in 3ds Max
You need enable Legacy 3ds Max Map support for Substance textures to work with Arnold
Substance in 3ds Max Plugin
Using the 3ds Max plugin, you can choose Arnold in the Substance menu to automatically setup the Arnold material with Substance texture inputs.
Legacy Map Support
Legacy map support needs to be enabled for Production and ActiveShade renders.
The GPU renderer is not support with Substance Textures when using ActiveShade.