Smart Link are created when you finished setting up your WhatsApp Form.
Follow these steps to get the link before sharing it to prospects, ads or you social media post.
Replace your old WhatsApp link in your product ads / social media post with your Smart Link.
Your Smart Link will bring prospect to the WhatsApp Form you have created.
For Agents unique link, just follow the same method above.
Even though they copied from the same form every agent will get a different link each.
Read More : Difference between Admin, Sales & Agent