To ensure Turtl is a secure and transparent system, any PDF embedded to your docs with the PDF widget will be checked against a whitelist. If the hostname (the domain where the PDF is hosted) is on this whitelist, it will be uploaded to your doc successfully.
For example, if your PDF URL is
https://africau.edu/images/default/sample.pdf, then the hostname would be
If the hostname is not yet added to the whitelist, the PDF will not be able to be embedded. Please reach out to your Customer Success Manager or firstname.lastname@example.org who will add this to our system or upload it to one of the following domains: