Cloud-stored content, via the content analysis setting.
Individual plans have it on. Business and enterprise plans do not.
Content stored in Creative Cloud, analysed to improve products and services. Business and enterprise plans are off by default. Individual plans are on.
This is separate from the generative AI training question Adobe has stated it does not do on customer content. Turning content analysis off is the setting that exists and is worth setting regardless. Do not overclaim what it covers.
Business and enterprise plans are off by default. Individual plans are not.
Every service on that list buries its opt-out somewhere different. Don't Train On Me puts all of them in one checklist in a panel beside your browser, walks you through them one at a time, and helps you confirm your privacy settings on the ones that expose a setting it can read. Free, no account, and nothing you tick leaves your machine.