What are the Disadvantages of Crystal Reports?.What are the Benefits of Crystal Report?.In this SAP Crystal Reports tutorial for beginners, you will learn Crystal Reporting basics: The knowledge of this tool helps businesses to develop advanced level reports and take accurate and profitable business decisions based on these reports. SAP Crystal Reports is a BI tool for generating analytical reports from SAP and other non-SAP data sources like Oracle, SQL Server, MySQL, XML Data Source, Microsoft Excel, etc.