As Olaf said, SSRS does not have the functionality to generate QR codes.
You can refer to this blog to see if it is reliable: https://www.sqlservercentral.com/articles/generate-qr-code-barcodes-in-an-ssrs-report-with-the-qrcoder-library.
You can also refer to the discussion in this thread: https://stackoverflow.com/questions/36811438/how-do-i-show-a-qr-code-in-ssrs.
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Best regards,
Aniya