LOS effecting only tokens, not maps.

This might have been asked and answered but I am having little luck finding an answer. I have a city map the players are familiar with. I would like to be able to populate the map with tokens/items and set up LOS so the players can see the entire map but the tokens/items I place (Including the other player tokens) remain/become unseen when moved beyond set LOS. First off, I hope I'm describing what I'd like to do correctly. And secondly, of course, is this possible?

Unfortunately there's no 'maximum vision' setting on tokens, so it's not directly possible at this time. It is something that has been suggested by others, but not enough traction to remain as an open suggestion. However you could use 'Explorer Mode' to allow players to only see things within their range of view (set up as Night Vision) and everything else that has been 'explored' will be in greyscale, without showing NPC tokens.