There is a know issue with KeyShot 9 network rendering that will cause your back-plate to band and repeat throughout your entire render.
You will be able to see the difference in the two images below between CPU and GPU rendering and the know issue with the back-plate.
If you run into this issue running the render on the network as CPU will fix the back-plate for you.
CPU
GPU
Francisco Carrera
There is a know issue with KeyShot 9 network rendering that will cause your back-plate to band and repeat throughout your entire render.
You will be able to see the difference in the two images below between CPU and GPU rendering and the know issue with the back-plate.
If you run into this issue running the render on the network as CPU will fix the back-plate for you.
CPU
GPU