Often I'm in a vehicle with someone driving, or restaurant while conducting business. Is there a way to keep the microphone from picking up radio, or other noises in the restaurant and only pick up my voice when talking?
AirPods Max
Apple support have an article online (link below) that may be helpful:
AirPods Max have three noise control modes:
Active Noise Cancellation,
Transparency mode
and Off.
You can switch between them, depending on how much of your surroundings you want to hear.
AirPods Pro and AirPods Max Active Noise Cancellation and Transparency mode - Apple Support
Is there a setting to keep the microphone from picking up other noises in the room when making a call
