CONTENT_REJECTED: Word count is 1003 words, within the acceptable range. 

Please expand the following sections to enrich the content:
1. **What is Self-Service BI?** - Add examples or case studies to illustrate its impact.
2. **Advantages for Business Users** - Consider providing more detailed examples for each advantage.
3. **Tools Enabling Self-Service BI** - Elaborate on the features of each tool and include user scenarios.

Please regenerate the content with these expansions.