You need to add the_content()
to your code. Then, when you edit the page, elementor elements will be replaced with the_content(). So, the page template would be something similar to:
<?php
get_header();
if (have_posts()):
while (have_posts()):
the_post();
the_content();
endwhile;
else: ?>
<p>Sorry, nothing found here.</p>
<?php
endif;
get_footer();
?>