I was really concerned about this same issue before getting my machine, since I also live in an apartment.
At first the smoke was an issue in my room. I have the hose hooked up to a plastic vent, through a piece of tall posterboard that fits into the sliding window. I sealed the window and the end of the tube with metal tape.
The smoke goes out of the tube and goes upward into the air. Also, it gets dispersed really quickly, so you don’t see the smoke unless you are really looking for it.
The machine also is kinda noisy, much like a vacuum cleaner. From the outside, it just sounds like I am running an air conditioner, but maybe has a higher pitched noise with that as well.
Neither the smoke or the noise is an issue with anyone. Nobody has noticed the noise or the smoke.
To cover myself, I made a nice sign for my manager that reads “Manager is out”. I gifted it to him and let him know that I have taken up a wood burning hobby, and to not freak out if he smells smoke. He loves his sign, and doesn’t care, as long as I don’t run it past 10pm.