Comrades, today I present to you a topic that has been ignored for quite a while:
Vendors only appear aboard the Liberator, and WE NEED MORE VENDORS!!!
Wandering traders who offer exclusive items for a certain time would also be veri nise.
Thank you, have a nice day.

scattered NPCs? IDK about that
Maybe like in Skyrim, you have camps scattered around that are empty, but are only occupied at the evening once every 3 days. and of course, only one camp gets occupied and is chosen by random