Post page doesn’t show Page Builder template

Hello.
I have a question. Is it normal that for post pages all the templates I can select are Default, Elementor Canvas and Elementor Full Width?

I am trying to build a single post page template but the Page Builder isn’t available in posts.

I also tried to build it using other templates but:
Default has a side bar and comments that I don’t want to use.
Elementor Canvas doesn’t show menu bar and footer.

Elementor Full Width (that’s the one that generates the results similar to what I want) if stretched to full width generates a white empty space on the right of the page.

Thank you for your help!

The page I need help with: [log in to see the link]