Follow these steps to give sponsor portal access to your sponsors:

1. Go to Communication > Standard > Sponsors.
   
   
   
   
   
   
2. Here you can manage the invite emails sent to sponsors. Turn on the emails as required:
   
   
   
   Booth owner added to represent a sponsor: this email is sent to booth owners who are added to represent a sponsor. They can use the Go to portal button to access the sponsor portal.