How to share photos from iCloud with others

If you want to share quite a few photos with several users, you could share them as a shared album in iCloud. This will allow you to add comments to a photo. Users without an Apple device can view the shared album, if you enable it as a public website. Only users who receive the link to the public website can access the site and view the photos, even if it is called "public". See: How to use Shared Albums in Photos on your iPhone, iPad, and Mac - Apple Support

The cloud storage for Shared albums is free and does not count against your iCloud+ subscription.

Use the share icon (box with the arrow) to share using a variety of options; eg. iCloud link, email, messages, etc.

Did you mail the link to the webpage to your family members?

On a Mac can copy the link from the dropdown menu for the shared albums: