Once you enable this option Author name will be display in single page
You will find this option in the WordPress Dashboard -> Navigate to AMP option panel -> Design -> Single -> Enable “Author Name” option and then click on the “Save Changes” button.

Scroll down a little to see this option

The output of the Author Name in a single page

That’s it for this tutorial!
We hope it helped you. If you have any feedback or questions, then please share them in the comments section below.
No “Author Name” button on Single page, what problem ?
Hi Legnum,
Will you please provide us the URL of your website so will check from where you are getting issues and help you.
https://legnum.info
It was at Page Builder.
Hi Dmitriy,
Will you please elaborate more about your issue so that we will understand and help you.