No, they do not. In the case of Adobe's CS suite, I do believe they state that you cannot use them professionally, so you would be expected to purchase the full version, but in no case are you required to delete them.
No, they do not. In the case of Adobe's CS suite, I do believe they state that you cannot use them professionally, so you would be expected to purchase the full version, but in no case are you required to delete them.