FAQ: Improved Layered Navigation for Magento 2
With the default Magento functionality as well as our extension the attributes of simple products associated with grouped or bundled will be displayed as options in layered navigation. Read the full answer to get more details.
Unfortunately, Wyomind Elasticsearch is incompatible with our Improved Layered Navigation extension. However, there are a few solutions we can suggest in order for you to fully enjoy the functionality of our plugin.
Please, check below in order to get detailed answer to your question.