In the following table, websites embedded with hyperlinks can be inserted in Docs by either clicking the + icon to the left of an empty line and select from the menu, or directly pasting the link in a document. Websites without hyperlinks can only be embedded in a document by pasting the link.
Google Data Studio
How can I embed a website by pasting the link?
You can paste the link anywhere in a document, and select Embed in the pop-up menu.