E-Signatures using Topaz signature pads are only supported inside of Internet Explorer 11. Topaz requires additional browser extensions to run against the software which ETO can not support outside of Internet Explorer.
E-Signature using a mouse is compatible with iPads, Chrome on a Desktop, Internet Explorer 11. For more on our browser compatibility please see this article.
If you and your team are experiencing this issue, please report it to our support team at firstname.lastname@example.org