Well, there's nothing fancy at all. I save to exr half float, then load it to Photoshop, perform tonemapping in ArionFX, convert image to 16 bit, then do additional tweaking, like curve adjusting, shadows/highlights treatment, etc. Then lastly convert image to 8 bits and save to png. That's it, usually my post-work is that basic. I don't have much skills at it.