On a schedule the scenario collects the right contact list in Bitrix24 and passes it to Mws audiences. Ads target your segment, not everyone.
Automating Bitrix24 and Mws takes no code: a ready-made scenario does the routine for you.
You can launch this Bitrix24 + Mws integration in Scriptera: describe the task in plain words — the scenario is built, launched and monitored for you.