How to limit downloading documents in VK. Make it available to subscribers only?

Question

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Can I somehow do in an open group that files (documents) could only be downloaded by group subscribers? Is there such a function at all? Thank you.

Answer 1

No.
Documents are accessible to everyone, they are visible in the search and are available by link.

Answer 2

as an option, you can make private documents for an account, and not for a group.
and then, for example, through the bot, give the document on the command you need.