You can uninstall the Report Viewer SDK from the control panel through the following steps.
On the Start menu, click Control Panel.
In the Control Panel, click Programs and Features.
Search Bold Reporting Tools in the Name list and click it.
Click Uninstall.
Click Yes to confirm the uninstallation of Reporting Tools.
The Report Viewer SDK setup will be uninstalled and re-direct to the Report Viewer SDK Uninstallation page.