You can allow or disallow the sharing of your public profile directly from your account.
To do so:
1/ Click on your avatar in the top right corner.
2/ Click on the "my account" button
3/ Click on the "Privacy" tab
4/ At the top of the page, you can allow or not the sharing of your public profile
You will be able to copy and paste the link from your public profile to share in your emails or on social networks.