Hello Samhitha,
As per the screenshots provided, it appears that you are unable to view the reference documents in the Teams Copilot chat, although they are visible when testing in Copilot Studio.
To resolve this issue, I would suggest raising a support ticket using the link below. This will allow an assigned engineer from the respective team to investigate and assist in resolving the matter promptly.
https://learn.microsoft.com/en-us/microsoft-365/admin/get-help-support?view=o365-worldwide
Thank you.
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