In fact, you can’t edit RAW images in Photoshop without the Camera RAW plugin. Once you’re done with that, you can import the image in Photoshop to kick things up a notch.
You can use Lightroom to bring out all of the details from a RAW image file or to enhance an image aesthetically (to fix colors and saturation levels). Photoshop is famous for its advanced selection tools, complex layer system, and infinitely customizable brushes. Photoshop is designed specifically for image manipulation and enhancement. You can think of it as Lightroom’s bigger brother. Photoshop is a different kind of photo editor.