Since the Integration User cannot be assigned the "Manage Unlisted Groups" permission, one workaround for this limitation is to extract the FeedItem/FeedComment objects via a remote connection in Replication that points to the local organization. By specifying a user that has the "Manage Unlisted Groups" permission in the connection settings, this causes the objects to be extracted as that user and bypass the query limit and Integration User restrictions.
To implement this workaround, follow the below steps.
Once the object has been extracted via the new remote connection you added, it can then be referenced in dataflows to populate datasets.
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