Does quartus have legal implications for installing personal versions in the company?

What do you mean by personal versions? Is it normal Quartus version? I don't get your question

May I know if there is any update or concern from previous reply?

As we do not receive any response from you on the previous question/reply/answer that we have provided. Please login to ‘https://supporttickets.intel.com’, view details of the desire request, and post a feed/response within the next 15 days to allow me to continue to support you. After 15 days, this thread will be transitioned to community support. The community users will be able to help you on your follow-up questions.