DJ-Tabs extension comes with the tag filtering feature.
In your Joomla website's backend open the DJ-Tabs component's control panel. Now click "New item" button to create a new item (You can also navigate to "Items" and create new item there.)
Choose “Article category” as the type here.
Selected tabs on the image below are only an example.
That’s all. The added tags will limit the display of content to only containing specific tags.