You can integrate Microsoft Azure DevOps Pipelines with Microsoft Teams in a number of ways:
Note: Only Azure DevOps organizations in the same organization (AAD tenant) can be used to integrate with your Microsoft Teams account.
Channel Posts
Configure Azure DevOps to automatically post activity updates to your team’s channels: Instructions here
Azure DevOps Tabs
Access Kanban Boards and Dashboards as tabs in your Microsoft Teams interface: Instructions here
Azure DevOps Bot
Install an Azure Pipelines Bot to your team so you can interact with Azure DevOps using @azure pipelines directly from within a team channel: Instructions here
This also permits configuring user-specific subscriptions to pipeline activity
