You can control the SEO settings for your author pages by editing the SEO Title, Description, and URL. When the URLs for these pages are shared on social media the title and description will be displayed.
NOTE: As with all SEO changes, it may take a few days for changes to appear in search engines and when the link is shared.
To set up author page SEO:
-Navigate to the Content tab
-Click Edit on the author's record
-Under Advanced, select SEO
-Enter SEO Title, SEO Description, and URL Handle