PyCharm has many places that you can get support from. The bundled documentation can often be the only thing that you need.
If you're stuck on a problem with regards to PyCharm, Stack Overflow is probably the best site for such a thing. I myself have received a lot of support on this site, and you can ask a question with the PyCharm tag.
There is also a PyCharm forum, forum.jetbrains.com/forum/PyCharm, which you can use if Stack Overflow fails to answer your question. I recommend Stack Overflow only because it is a far more active site, and the answers often come within 15 minutes of the question being asked.
Another site that I ...