To share a single Perfect Wiki page publicly:
Click on three dots ‘…’ next to the Start/Finish Editing button on the intended page and open Share tab or hit Preview & Share button at the top of the window

Change the Settings from ‘Teams only’ to ‘Anyone with the link’ and hit ‘Copy link’

- The page will get a ‘Public’ tag and will be shared publicly unless you change the settings back to ‘Teams only’