I'm also still figuring out this fediverse. I though i could access everything from everywhere, but accessing this one from startrek.website (which does see other parts of kbin), doesn't seem to work. So it's still a bit of a learning curve :)
Refreshed my kbin.social tab and voilà: I now have a nice list on the left with the magazines I subscribed to (allows for easy switching) and comments are collapsible. I can really recommend this to improve your Kbin experience!