Hi
Yes, you can implement authentication in Microsoft Teams for Power Virtual Agents (PVA) bots. This allows you to authenticate users so that they can access specific functionalities within your bot. Microsoft Teams supports authentication through various mechanisms, including the use of OAuth 2.0 or SSO
how to add single sign on to your bot, please refer to -https://learn.microsoft.com/en-us/azure/bot-service/bot-builder-authentication-sso?view=azure-bot-service-4.0&tabs=eml
If this helps kindly accept the answer thanks much.