The main advantage is that it can be used by any industry irrespective of the kind of departments.If its not suiting then we can customize the reports accordingly.
Using BI Apps the company can deliver greater insight to larger user communities across the organization via dashboards, query and analysis, and alerts.If we are building our own reports we can use OBIEE for that and develop BI metric, reports, and dashboard.Else we can just deploy prebuilt without any customization.
Most organizations needs analytic applications pull data from multiple enterprise sources and shed insight into the status and effectiveness of business operations. For example, a financial analytic application can track actual performance versus budget. A sales analytic application can track the size of the pipeline and identify the most profitable opportunities. A supply chain analytic application can optimize inventory levels, predict product fulfillment needs, and identify order backlog issues. While enterprise applications are required to run the business, analytic applications are mandatory to make sense of it.