I use this method but I am also a Motionbuilder user: So any FBX animation from Mixamo ( or any Source ) can be used, also I don't tend to bring back into Daz3D, I use IRay rendering in Maya for Animation Work. BUT, I have tested the video below and it works very well.
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I think this might help you get started - I am not aware of a " Best Way ".....
https://www.daz3d.com/forums/discussion/190366/can-daz-studio-load-animations-via-fbx
I use this method but I am also a Motionbuilder user: So any FBX animation from Mixamo ( or any Source ) can be used, also I don't tend to bring back into Daz3D, I use IRay rendering in Maya for Animation Work. BUT, I have tested the video below and it works very well.