Nov 28, 2018 8:47 AM
There are a couple of options for this.
The best would be to use a CTA for the customer to download the content. Whether the CTA is placed on a thank you page or in an email, you should see the number of clicks as well as clicks > views very clearly in your CTA section.
If you're delivering the content in an anchor text link in an email, you could also look at the clicks and CTR of the email - assuming that the only link in your email is for the downloaded content.