I am new in OctoberCMS, and I want ask if there is a possibility to integrate ChatBot in OctoberCMS...I found several plugins like live chat
We'll need some more specific information to help you, but the answer is more than likely yes. Most of the paid for live chat services out there allow you to just copy a few lines of javascript onto the front end of your website. If you are talking about building something yourself, you could definitely do that in OctoberCMS.
If the above isn't what you're talking about, try giving some more details.