Hello TheTravellingFreelancer,
Thank you so much for using our theme AcmeBlog. As your requirements, there is no any options to enable disable it.
You have to write a line of code on the file to enable it.
Please paste the below code on ‘template-parts/content.php’ below the line 43. i.e. below the code acmeblog_blog_content_layout();
This code help you to make it read more and gives the way to single page.
<p><a href="<?php the_permalink();?>">Read More</a></p>
Best Regards,
Acme Supports