Post Meta Visibility Customizer Settings

Hi!
Thanks for the suggestion. I have added this to our list. Hopefully, the developers will consider it.
For now, you can place the following custom CSS code inside Dashboard >> Appearance >> Customizer >> Additional CSS
.single-post .entry-meta {
display: none;
}
To prepare CSS for any element, you can try the following guide.
https://www.wpbeginner.com/wp-tutorials/basics-of-inspect-element-with-your-wordpress-site/