A/C leaks

Is there a reason that you think there is a leak? Have you checked the pressures to find out if the system is empty? There could be an electrical issue, sensor issue, or compressor issue causing it to not operate. Here is a guide that will help with that:

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Let's start with this info and go from there.