Fives you might need usb debugging enabled.
We HIGHLY recommend against use of this and the app in question on a production daily driver device, it goes against the project/OS aims.
ADB is massive attack surface, it can do things even you can't as the user, e.g. install apps without prompting, silently change system settings, etc.
And in this case, Shizuku (along with apps it permits to use the APIs it exposes) would also have those capabilities.