PubNub provides a comprehensive tutorial on integrating real-time data visualization with Microsoft Power BI, showcasing how businesses across various industries can leverage this capability. By feeding real-time data streams from PubNub into Power BI, users can create dynamic dashboards featuring various chart types, such as line charts, bar charts, column charts, and gauge charts, to visualize complex data sets. The guide walks through the setup process, beginning with account creation and moving to the development of visualizations using sample data like a "sensor-network" data stream. This data stream includes environmental metrics from different cities, such as temperature, humidity, and noise levels, presented in JSON format. Through step-by-step instructions, users learn to manage data, define dashboards, and create custom streaming datasets, ultimately enabling them to build detailed and interactive visualizations that enhance business intelligence capabilities.