If you associate GA to Search Console properly, you will have access to more insights that can help you understand
your content's performance. If you do not create an association you'll have access only to the Google Search card.
There are a few reasons why your GA data may not be appearing on GSC Insights:
Your GSC property is not associated with a GA property: visit the help center to
learn how to create
an association. In particular, if you have separate properties for your HTTP and HTTPS traffic on GSC,
make sure to associate the property that receives the most traffic or consider