Tableau Desktop offers a 14-day trial period during which you can study the software. Unlike Public, you can save as much as you like. If this is a one-time project, that may be plenty.
Since it's public, I'm guessing you don't want to save it to Public
But if that's not a concern, you could save to Public, then download your viz from the internet and see it using Public and/or Tableau Reader.
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