When you share a link to a Google Doc with someone it very likely is in the editing mode look. The viewer will see the WYSIWYG toolbar, the margins and other things that give you the impression that you are looking at a productivity document. This is true for all of the Google documents: text, spreadsheet, presentation, drawing.
However you can turn these documents into web pages that do not have the editing options.
You will need to activate “Start publishing”
Note that the viewing options of the document will NOT be overridden. If the document is private then the published link will NOT be viewable by those who were not shared on the document.
The Document link can be shared with users so they can view the page as if it were a webpage and not a document. Besides the removal of the toolbar and margins, the hyperlinks in the document are directly accessible. In the editing version a user must click on the link and then click on a link below it to actually be taken to the website. In the published version the result will look and act like a webpage instead of a Google doc.
You you want to embed the document into another webpage (such as WordPress or any other that allows embedding) you will want the embed code. Copy and paste that into the source editing window of the destination website as you would with any embed code.
Notice in this blog post on Infographics that the body of the post is actually an embedded Google Doc. Actually, you probably can not tell. The embedded document seamlessly embeds if the dimensions of the embed do not require scrolling.
The advantage to sharing the link to the document, as opposed to the published link, is that viewers can see edits in real time. This is NOT so with a published document. The published document DOES update as changes are made to the document, however there is a lag. Edits will not be immediately seen by the viewer unless they refresh the page. It make take a few minutes for the edits to appear even if the viewer does refresh the published page.