Polls can be migrated from Server to Cloud manually by recreating the polls on the new Confluence instance.
User interface (UI)
Option to change poll color
User notifications on poll voting
Supported. If the SMTP mailing server is provided, the polls are shared via e-mail.
Supported, but URLs must be shared manually.
Maybe option for event polls
Option for non-registered users to vote
Option to use tinyURLs for polls