Global AI Chatbot Market Size, Share & Trends Report, By Deployment (Cloud-Based, On-Premises, Hybrid), End-Use (Customer Support, Sales, Internal Ops, Healthcare, BFSI, Retail, Travel, Education, Government), Industry Vertical (BFSI, Retail, Healthcare, Telecom, Travel, Education, Government, Others), Regional Analysis & Key Players – Segment Overview, Market Dynamics, Strategies & Forecast, 2025–2034