macOS Agents do not currently support Policy specific configurations.
Agent Configs can be applied per-Agent, per-Policy, or Globally (Agents in all Policies).
If the Agent receives multiple Agent Configs for the same Property the will be honored as follows:
per-Agent is ranked highest and will be honored first.
per-Policy is ranked next, and will be honored if no per-Agent Property exists.
Global is ranked last, and will be honored only if no per-Agent or per-Policy Property exists.
It's recommended to only have one type of exclusion per group of devices to prevent confusion or unintentional overlap. Ex: Avoid multiple Agent Configs for the same Value where one is Host ID specific, one is Policy specific, and one is All Hosts.