Hi @Soujanya KC
Advertising directly within Microsoft Teams isn't currently supported. However, you can still reach Teams users effectively by publishing your app to the Microsoft Teams Store. This allows you to showcase your app to millions of Teams users worldwide.
Here are the doucument to get your app listed in the Teams Store: Publish your app to the Teams Store
If you want to reach Teams users without advertising, consider these strategies:
Leverage Social Media and Content Marketing: Share valuable content about your app on platforms like LinkedIn, Twitter, and relevant forums.
Engage with Microsoft Communities: Participate in Microsoft Teams Community Hub and other related forums to share insights and updates about your app.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.