Data visualization for business intelligence transforms raw data into visual insights that drive decision-making across organizations. As a critical component of modern BI platforms, it bridges the gap between complex datasets and actionable business knowledge, enabling stakeholders at all levels to understand trends, patterns, and outliers at a glance. The effectiveness of BI visualization hinges on selecting the right chart type for each analytical task and applying design principles grounded in human perception—clarity and speed of comprehension often matter more than aesthetic perfection.