Canvas System Tutorial Daz Studio Iray
This tutorial covers basic use of the canvases system in Daz Studio with Iray. I've used the GIMP for compositing, with the free .exr plugin you can get here:
https://github.com/yorikvanhavre/gimp...
Or if you have the budget, Affinity Photo handles .exrs better than GIMP while still being much, much cheaper than PhotoShop:
https://affinity.serif.com/en-us/photo/