Can anyone let me know how to delete the statistical data table from the exported report? I only want the visualization graph, not the statistical data table below it.
when you run your search that produce statisticals results, before saving search as report; click on "Visualisation" and select your type of vizualisation that you want to see. Save now your query as report.
You can save the report as dashboard and choose the visualization to be shown. Later you can schedule the PDF Delivery for this dashboard.
Dashboard creation: http://docs.splunk.com/Documentation/Splunk/6.2.2/Viz/CreateandeditdashboardsviatheUI
PDF Delivery of dashboard: http://docs.splunk.com/Documentation/Splunk/6.2.2/Viz/DashboardPDFs