Thank you for reporting this behavior of the Telerik Q2 2014 Report Wizard.
We are going to log this issue in our system for improvement and address it in a future release of the Reporting suite.
In the meantime you can either resize the report and its items manually in order to fit the new Landscape page format, or you can switch to a Table
item (Table Wizard) to create your report layout. Note that the Table
item can be resized much more easily and also has improved performance when the report is rendered in some of the rendering formats
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