How can I stop my signature from appearing on other MacBook via Family Sharing?

animdas wrote:

Hello,

I had imported my hand written signature using the camera in Preview in MacBook. But when my son logs into his account in his MacBook, I see he can see (and use) my signature.

And after I helped him creating his signature, I find it available on my MacBook!

How can I prevent this?

We have separate Apple IDs, needless to say, but we are connected by family sharing, if this can help.

Thanks in advance.

interesting...hardly seems desirable.

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