unable to generate anything. it shows the i have voilated the terms of use

Hi @rajni3012 

Adobe has limited access to the generative fill and generative expand features to customers with a valid subscription to a plan that includes Photoshop ( Creative Cloud, Single app or Photography plan).

Potential customers can try Photoshop and the generative features by signing up for a 7 day trial here - https://www.adobe.com/downloads.html 

If you believe that you have are incorrectly receiving the above error and qualify to use the generative features, please contact technical support.

i am unable to use generate fill in beta version of photoshop

By @rajni3012

Generative Fill is now in the released version of Photoshop, version 25.0. Does GF work there for you? You can download it from the CC app with your paid subscription.

Jane