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 Embed function 

Such as 'https://docs.google.com/document/d/e/2PACX-1vSz-XMT2CSD2KGtrpvjStxmidlse5Hu8eQz2j21U8SzhSxBTNGwyLCSnD9Dm4qGRQTqZYTVp7r-XiQk/pub'