While there are legitimate "workarounds"—such as turning on before viewing a story (which prevents the "seen" receipt from being sent until connectivity is restored, though this is increasingly unreliable due to caching updates)—using third-party websites is rarely worth the risk.
: Facebook frequently updates its API and security, causing many third-party tools to stop working suddenly. facebook story viewer online
This does NOT work for friends-only Stories. If the account is private or the Story is set to “Friends only,” you will be blocked. trying to steal your data
Let’s be clear: Any site claiming otherwise is either lying, trying to steal your data, or both. facebook story viewer online
: A more advanced device-level tool that captures active logs, though it requires installation on a target device. Manual Alternatives for Anonymity