Viva Topics is one of the four modules in the Microsoft Viva employee engagement platform. You can run a 25-user trial for 30 days to create some topics and see how things work. A trial should help an organization decide if they want to pay the $5/user/month Microsoft asks for Viva Topics licenses – and everyone needs a license to see topic cards, which is the point of Topics.
https://office365itpros.com/2021/02/10/run-viva-topics-trial/
