work on other paint softwares , you only need to create a Presset for octane and with 1 click become an entire folder of textures on different materials with its canals,is amazing.
the only thing I could not solve is how to add the image texture with the texture inside, someone can find the solution to that ( maybe aoktar XD )
tutorial here -----------------> https://youtu.be/60Zft6Syovs