That documentation reads a bit old. You're specifically looking at JIRA 6.0 documentation, which is quite old at this point. This is a newer related article – https://confluence.atlassian.com/adminjiracloud/working-with-workflows-776636540.html
You can now find workflows under Administration > Issues > Workflows.
In the past, Portfolio for Jira required a high degree of detail–foresight that was unrealistic for many businesses to have–in order to produce a reliable long-term roadmap. We're tur...
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