Can I email the 'Preview' site to others?

Yes, it's very simple.   When you have the 'preview' site open within your browser.  There are two ways to email the Preview.

Within the browser,  click on 'File'.  Within the drop-down menu, there will be an option to 'send'.  Follow the instructions to email (send) the link to another person.

OR

In the browser address bar, highlight the address.   Hold the Control + C to copy.   Open an email message, paste preview web site address into the message.