Adobe Firefly
Adobe says Firefly does not train on customer data and that Firefly uses commercially safe datasets such as licensed content and public-domain material.
Adobe publicly states that customer content is not used to train Firefly.
No opt-out is required for that stated customer-content training posture.
Adobe distinguishes ordinary Firefly training from optional enterprise custom-model training flows that use customer-provided training data.
The cited public materials explain training sources more clearly than one simple product-wide retention answer.
The cited materials focus on training sources and commercial safety rather than a general human-review disclosure.
Foundational reference pages for teams adopting, deploying, and operating production AI with inspectable controls.