On accessing the below link

https://cliffordchance.eu1.documents.adobe.com/account/home

• user is directed to SSO page
• he provides his email address there to sign-in
• if the user does not have the necessary license to use Adobe Sign, he gets a weird message that the users do not like (screenshot attached).
  

Can you please change it to something that is more meaningful to a common user and he clearly understands what is it that he/she is lacking.