Minimum distance between Minecraft job blocks?

I am creating my own village in Minecraft and ran into some questions while following the village blueprints from the wiki. There are multiple buildings that have several duplicate job site blocks (leatherworker has 4 cauldrons, fisherman has 2 barrels, etc). I am curious whether this would mean that multiple villagers would share the same building (ie. 4 leatherworkers) or if there is a minimum distance between job blocks? Since the vanilla buildings have these duplicate blocks, it seems as if there must be some way to avoid having multiple people using the same building, but I’m not sure how.

As you can see in this image, the tannery has 4 cauldrons in the vanilla build. However, I do not want to have 4 leatherworkers in the town; I only want one. Is there anyway to keep the 4 cauldrons while only having one leatherworker, or do I need to remove all the extra cauldrons to limit the number of workers there? How do vanilla villages handle this (or if they kept breeding, would they eventually have 4 leatherworkers)?

TL;DR: Will having multiple job blocks in a village building (as seen in vanilla buildings) cause multiple villagers to use the building?