Some effective characteristics of Aspose.Cells for Reporting Services are listed below:

1. Aspose.Cells for Reporting Services supports tables with grouped rows and footers. The grouping of rows and footers can be setup at design time like other report items.

2. Aspose.Cells for Reporting Services supports parameters and global variables as the report data sources.

3. Users can make use of MS Query for creating data sources and queries, which is widely used tool and familiar to most users.

4. Aspose.Cells for Reporting Services support both report specific data sources and shared data sources created on Report Server in advance. What is more, Users can utilize report specific data sources at design time and specify shared data sources as report data sources while publishing report.      

5. Aspose.Cells for Reporting Service is integrated with Microsoft Reporting Services seamlessly and therefore users can take full advantage of Reporting Services' report management, security and delivery options.