From the mod dev:

"@Gabriel As already replied, modules are like objects. All server/clients must have them. That's the case for any modules, even if the code concerns server (xor clients)! There is no resource demand for modules as far as their code is running on another PC. The loaded functions are exactly as BIS or BIN (contact) ones. They run only on demand."

Yes ABSOLUTELY. This mod brings modules. As any other module/object from any mod, every player needs these items. Running without the mod will throw an error at start, as far as the mission creator placed one of these modules in editor (same as any unit, crate, house or vehicle...).