Online Reviews should be immediate once they are pulled into the dashboard and meet the threshold settings.
Be sure to check that the review sites are setup and show reviews is enabled for the micro page within your dashboard.
New Feedback may be subject to a delay:
https://reputationloop.zendesk.com/hc/en-us/articles/209663488-New-Feedback-is-not-being-posted-to-the-Microsite-
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