Yes. There is no rule in the EU, France, the UK or the US that prevents you from using AI-generated content commercially, and most businesses already do. The practical constraints lie elsewhere such as whether you own what you produce, whether it infringes someone else's rights, and whether you have to tell people it was generated by AI.
Three things are worth checking before you rely on output in a customer-facing context. First, your provider's terms usually determine what rights you get, and while most major providers assign what they can to the customer, they cannot assign rights that do not exist in the first place. Second, output can infringe third-party rights where it reproduces protected material, and that risk is highest for content closely tracking a recognisable source such as song lyrics, article text, code or distinctive images. Third, since 2nd August 2026 the AI Act requires providers to mark AI-generated or manipulated content in machine-readable form, and requires deployers to disclose deepfakes and, in defined cases, AI-generated text published to inform the public on matters of public interest.
Where AI-generated material will carry commercial weight, such as a brand asset, a product name, a logo or code central to your product, treat the output as a first draft rather than a finished asset and add enough human creative input that you can point to what a person actually contributed. Read what your provider's terms say about ownership and indemnity before the output goes into a customer-facing product, and build labelling into the product itself rather than handling it as an editorial afterthought. If an asset matters enough that you would want to stop a competitor copying it, that is the point at which the ownership question becomes worth specific advice.