The key features of FlexViewer are as follows:

• User-friendly UI
  FlexViewer has an interactive and user friendly full-featured modern Ribbon-based UI that helps preview different document types such as FlexReport, SSRS, and PDF document. The ribbon contains command buttons clustered in groups.
  
• Use/Reset Parameters
  With FlexViewer, you can view parameters and reset them as well. You can in enter data parameters of your choice to display a report. FlexViewer supports String, Boolean, Date, Integer, and Float type parameters.
  
• Refresh and Stop Rendering
  FlexViewer provides you options to Refresh and Cancel Report rendering through Refresh and Stop button.
  
• View Thumbnails and Hierarchy
  FlexViewer allows you to view the thumbnails of the report pages and the hierarchy in the outlines that allows you to jump to a required location.
  
• Page Navigation
  Page navigation is available in the Navigation group of the FlexViewer control, which contains a set of command buttons allowing you can navigate through the report pages and if you want to jump to a specific page number then, you can type the page number in the page number textbox.
  
• Zoom in/out with Ease
  FlexViewer allows you to access Zoom dialog box using Zoom button. It gives you the following options in the dialog box:
  • Actual Size – Shows the pages in their actual size.
  • Page Width - Fits the page to the width of the preview window.
  • Whole Page - Fits the whole page in the preview window.
  • Custom - Sets the custom zoom % for the page.
  • Zoom % - Shows the percentage you set to zoom the page.
  • Wide Layout by Default - Indicates whether a multi-column layout is applied to wide reports by default.
  • Facing Pages, Cover on Right - Shows report pages side by side.
  • Continuous - Shows the pages in continuity.
  • Rotate View - Allows you to choose the angle of rotation of the page.
  • Page Columns - Allows you to choose the number of page columns to show in the preview window.
  • Page Rows - Allows you to choose the number of page rows to show in the preview window.
• Print
  You can also use the FlexViewer control to print your reports using the Print button which provides you with a Print Dialog box containing standard printer settings.
  
• Export
  FlexViewer allows you to export your reports and documents to the various formats, such as DOCX, RTF, Open XML Word, Open XML Excel, HTML, PDF, GIF, JPEG, PNG, BMP, and TIFF.
  
• Tools
  FlexViewer provides you Hand tool, Text Select tool, and copy text tool that can be used to scroll in the window, select text to copy, and copy the selected text.