Installing Traktor Pro 4 on Mac - What are the system permissions?

hsoundx4

Hi! When installing Traktor Pro 4 (demo) on the Mac it shows this prompt. Is this normal and what are these for please? Keen to understand the reason and security etc please Thank you :) Has anyone seen these before?

(This is shown after downloading the Traktor Pro 4 DMG, then in the installer)

Traktop4-2.png

Traktop4-1.png

hsoundx4

I am showing the same 2 images here. (Same as the attachments, just showing them in line). Can someone please explain if this is normal and what it's needed for? :)