In digital cutout animation, you build the character in parts (head, torso, limbs), each element on separate layers… and then assemble and animate. You can do the planning, assembly and animation all in Krita…or export the character parts as png images, open them in another program (Blender, for example) and assemble and animate there.
I’ll leave some videos of the process done in Krita (turn on English subtitles):
And this was an example of the character made in Krita and exported to Blender:
