On the Frame Options Panel, it will show the shortcode to use if you want to embed the block in your page or post’s content
Activating the block for embedding
Tick the checkbox to enable the block for embedding, and not the provided shortcode. Publish the page to save the settings.
Add the shortcode to your page or post content
Adding the shortcode is simply a matter of typing the provided shortcode where ever you want to display the gallery in the page or post’s content.
Publish the page/post to save the changes.
How things look in the Visual Editor Grid View
In the Visual Editor (Grid View above, Design View below), you can see how the embedded block is displayed as a grey box in your page and the original block still shows where ever you created it. It’s always worth putting embedded blocks at the bottom of your page, out of the way.
How things look in the Visual Editor Design View
How it appears to the those viewing the site
As you can see, the original block is hidden when viewing the site, and instead displayed just where you wanted it in your content!