Change Advanced preferences in Podcasts on Mac
In the Podcasts app on your Mac, use the Advanced pane in Podcasts preferences to specify syncing, automatic deleting, and Siri Suggestions options.
To change these preferences, choose Podcasts > Preferences, then click Advanced.
Sync subscriptions across devices
Automatically sync any changes you make to your podcast subscriptions, stations, and current play position to every Mac, iPhone, iPad, or iPod touch where you’re signed in with the same Apple ID.
Automatically delete played episodes
Select to have Podcasts automatically delete episodes after you play them.
Show Siri Suggestions in App
Select to allow Siri to learn from and make suggestions based on your use of Podcasts.