The multi-tabbed report feature enables the user to display two or more reports on the same page in Bold Reports® On-Premise.
In order to enable the Multi-tab support, navigate to UMS -> Settings -> Configuration -> reporting/config.xml, set the <EnableMultiTabbedReports> node to true, and then save the changes
`<EnableMultiTabbedReports>true</EnableMultiTabbedReports>`
This section explains how to create, edit, render, and delete a multi-tabbed reports in Bold Reports®

To create a multi-tabbed report, the user must have access to reports. An admin user can utilize any report to create a multi-tabbed report, while other users can only use their own reports or shared reports with write permission.
[+] icon on the left side of the menu area and select the multi-tabbed report option.

NOTE: The plus icon next to the
Select Categorydrop-down will only appear if the user has permission to create categories.
Add Reports in the Create Multi-Tabbed Reports dialog box.
Select the category from the Select Category drop-down menu, and the corresponding reports under that category will be displayed in the Select Reports drop-down menu.
After selecting the reports from the Select report drop-down menu, the Add button will become enabled. Click the Add button.

Add a minimum of two or more reports to create the multi-tabbed report. The added reports will be displayed in the multi-tabbed report. Edit the tab name of the multi-tabbed reports by clicking the edit icon.
Edit the tab name and click the check icon to apply the edited tab name. Use the cancel icon to reset the tab name.

Create.
Users can identify the created multi-tabbed report with the multi-tab badge icon in the report listing page.

Click on the respective multi-tabbed reports in the list to open it.
Users can switch between tabs to view the other reports.

NOTE: There are some limitations of Multi-Tabbed Reports are edit, share, favorite, and get link options in the viewer are hidden and users are unable to share the report views with others.