Hello @Jayde Nienaber ,
Welcome to the MS Q&A Forum,
Kindly review below public article and let me know if it explains the scenario what you reports.
Accessing Azure AD B2C audit logs
Azure Active Directory B2C (Azure AD B2C) emits audit logs containing activity information about B2C resources, tokens issued, and administrator access. This article provides a brief overview of the information available in audit logs and instructions on how to access this data for your Azure AD B2C tenant.
Audit log events are only retained for seven days. Plan to download and store your logs using one of the methods shown below if you require a longer retention period.
More detailed information outlined there =>>
Hope above answers your questions and concerns.
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