Oi Floripa,
Pelo Dropbox, atualmente não é possível saber quem viu determinado link. Recomendo que use um encurtador de URL que te dê esse tipo de informação (ou pelo menos saber se clicaram no link).
Ed G
Community Manager @ Dropbox
https://dropbox.com/support
Did this post help you? If so please mark it for some Kudos below.
Did this post fix your issue/answer your question? If so please press the 'Accept as Solution' button to help others find it.
Still stuck? Ask me a question! (Questions asked in the community will likely receive an answer within 4 hours!)