What's cool about the 'Brute is that it has both CV ins AND outs. The outs are GATE and PITCH meaning that you can trigger anything on your modular with the GATE and PITCH will send notes to it. You could use the Minibrute's arpeggiator to control the notes on your modular for instance.
So the answer is 'yes' you can do both, even at the same time
But wait! There's more!
Because the Minibrute has CV in you can control filter freq, pitch, amplitude and gate from your modular. And yes, at the same time as all the stuff above. This could get pretty wacky.
Think of the Minibrute as a sophisticated module in your modular setup, as well as a controller with both keyboard and arpeggiator.