Not sure how this is even possible, but Alister Chapman writes:
“In addition Black Magic design have just release the public beta of DaVinci Resolve 18.5. With this update you can now use the Raw controls in the Grading room to control the ISO/White Balance/Tint etc of S-Log3 footage from the FX series cameras. This makes it so easy to adjust for any exposure offsets.”
The Daejeon Chronicles 
Well, these would not be true RAW corrections, but they are using the fact that Slog-3 offers a lot of potential for corrections. The lines are blurring anyway, since neither BRAW is true RAW.