With Dark Photos PhotoAI Needs a Exposure adjust Setting to Raise Exposure To Expose Noise Than PHotoAI remove noise Than Set Exposure To Original.
My Camera Exposure Brackets -2 and +2
You can Also do HDR Merge and Make 3 Photos of same Photo with bracketing or Use one copy it twice Lower and Raise the Exposures of the copies one Neg one Positive both same amount.
Raw Digger has two modes for RGB Composite and Render
I Sugest you Download and Use the program in each mode.See how it affects the Photo .
HereRawdigger
Can you send me the CR2 file as well? You can securely submit your image(s) to my Dropbox using the link below. Please be sure to send me a note to let me know you sent something. Dropbox File Request
We are working on exposure and color cast correction AI models which should enable this functionality in Topaz Photo AI.