Microsoft’s Reading Coach (https://coach.microsoft.com) supports reading, pronunciation and fluency skills. “Preview” in EN: stories generated (animal and place), library or pasted text read then analysis and words to repeat, 8 levels.

Note that a version is also being tested in Teams and PowerPoint: https://support.microsoft.com/fr-fr/office/pr%C3%A9version-speaker-coach-dans-les-r%C3%A9unions-microsoft-teams-30f50d15-5f62-4e09-b3bf-cadeb806386a

MS support for Reading coach in EN: https://support.microsoft.com/en-us/topic/getting-started-with-reading-coach-4bb004e9-2eda-4ee5-b3d6-ca10bc42f6cb