Models A and B are doing coordinated move+shoot. Normally shoot requires a target and in coordinated order, all models have to target the same model. But targetless weapon does not need to target model. 1. Can I throw smoke from all models involved at different locations? 2. Can I shoot the enemy model with model A and throw smoke with model B?
Yes to both https://infinitythewiki.com/Coordinated_Orders Coordinated Order: Targetless or Deployable Traits Weapons or pieces of Equipment with the Targetless or Deployable Traits do not have to target the same point on the gaming table.