Actually not, since you're on a Cloud environment we have some policies about third party plugins as you can see here: https://confluence.atlassian.com/display/Cloud/Restricted+functions+in+Atlassian+Cloud+apps
You only be able to install it, if you use standalone, which you'll host your own JIRA.
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Trello is one of the most effective tools for driving your sprints. It's customizable for every Agile team and product owners and Scrum masters (SM) love it. However, Agile teams often struggle with:...
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