Sure. Click a slot in any of the Chains. Go to ESSENTIALS, and add a MIDI Device. Choose your Komplete Keyboard from the list. You can now input MIDI notes with your keyboard, and also use the three connectors on the device for some CCs from the Keyboard. (Don’t forget to wire these to any parameter in a the synths you are using. )
If you want to add more knobs/controllers from your keyboard, go down to the MIDI Patch bay , and click on your Komplete Keyboard there (and also choose enable), and you can utilize the patch bay connectors for any additional control you might want.