Responses to CSAT surveys will not reopen tickets. If you would like to follow up with your customers whenever you receive a feedback, you can set up an automation rule under Admin > Workflows > Automations > Ticket updates > New rule to reopen the ticket.
Sample rule:
When an action performed by...
RequesterÂ
Involves any of these events:
Customer Feedback is received > Rating: Any
On tickets with these properties:Â
--None--
Actions:
Set status as Open