jim2212001

When you insert a PDF from your Media library, it will be embbed into your page using your browser’s pdf viewer.

Spiderpowa Embed PDF

When you insert a PDF from your Media library, it will be embbed into your page using your browser's pdf viewer.

bogdan

Embeds are needed to embed video from youtube or to embed Google Map or just to embed content from external page. 
WordPress removes embed when you switch from “HTML” to “Visual” tab because of the security reasons. 
So you can embed object code using this shortcode <code>[iframe src="http://player.vimeo.com/video/3261363" width="100%" height="480"]</code>.

iframe to embed

Embeds are needed to embed video from youtube or to embed Google Map or just to embed content from external page.

Spiderpowa Embed PDF vs iframe to embed