This guide https://workspot.helpdocsonline.com/topic/awsfiles/download_files?ref=userfiles/18924/24256/ckfinder/files/Pulse_Secure_DTE_1_0.pdf provides step-by-step instructions for the installation and configuration of the Pulse Secure DTE Virtual Appliance for Workspot. If a supported VPN is not available for a Workspot Proof of Concept, the DTE can be used, however, it is not intended for production deployments.
The DTE Virtual Appliance download is here: https://workspot-my.sharepoint.com/personal/ryoza_workspot_com/_layouts/15/guestaccess.aspx?guestaccesstoken=yAoB8dIfw4n%2fSIPiD6TrEa5oitVankH1T6fEJutxUuo%3d&docid=0bff9d91d18a84c7daa98ebd20bcf6dc4.