Embed Doc without pop out
In Drive Publish the file.
Select Embed
Copy the text and extract the link.
Use the Embed URL section of the Embedf function
Such as 'https://docs.google.com/document/d/e/2PACX-1vSz-XMT2CSD2KGtrpvjStxmidlse5Hu8eQz2j21U8SzhSxBTNGwyLCSnD9Dm4qGRQTqZYTVp7r-XiQk/pub'