ML Enhance is an incredibly intelligent and powerful image enhancement feature, trained on millions of professional photos to automatically take care of the most important things that go into a good photo, like the exposure, white balance, black point, and even individual color ranges. It's designed to give you the best starting point for making your own creative edits to a photo.
Do one of the following:
Click the Add menu at the top of the Tool Options pane and choose ML Enhance.
If you feel like it, you can additionally tweak any of the 37 available color adjustments yourself.