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Hi Kishan,
Thanks for posting in the community. We are happy to help you.
Per your description, I would like to collect more information about the situation.
- For "I am using a QR code/Link", let's leave the QR code out of the discussion for a moment, do you mean the problem occurs when an iOS user accesses a sharing link directly in Safari?
If you are not using a shared link, please point it out and let us know.
- I suggest you have the affected iOS users open Safari in private mode, copy/paste, and access the sharing link again. Press and hold the Safari app icon, and choose "New Private Tab". Check if the problem still occurs.
We look forward to your response. Thanks for your cooperation.
Sincerely,
George | Microsoft Community Moderator