You can import PDF documents from your mail client Maranda August 09, 2017 03:46 Updated Follow Download PDF attachment in the email. Press the "Share" icon. Select “Open in HelloSign” Related articles Uploading docs to the HelloSign mobile app How do I use the app? (iOS) How do I download all my documents? 3/22/2018 - Release 53 Checkboxes Comments 0 comments Article is closed for comments.