Enabling and Disabling Slicer Filter.

One possible solution is to create a button saying "apply" (for example) next to Tab1 and that button activates a bookmark that shows Tab 2.

Hi  Anonymous ,

You can use bookmark or sync slicer options to hide the slicer:

Create report bookmarks in Power BI to share insights and build stories - Power BI | Microsoft Docs

Slicers in Power BI - Power BI | Microsoft Docs

You can turn on the 'edit interactions' layout to accurately control the visual interactions:

Change how visuals interact in a report - Power BI | Microsoft Docs

Best Regards,

Liu Yang

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