To share the card, open it and click on the "Share" button:
If you want to show the card to colleagues who don't work in FlowFast, toggle the "Share to the web".
You will then see a window with settings. In it you can:
Copy the link for public viewing.
Set the date until which the card will be available for viewing.
Add external editors, so they can comment on your card or attach files. To do this you must enter their email addresses in the corresponding window.
Select which fields of the card that will be visible to external users. If you want to see comments from external editors, remember to tick the "Comments" box.