Here are a few, but you can use your imagination 😀
* Merge branched models. Manage production branches for bug fixes.
* Deploy bug fixes and partial releases.
* Reuse definitions between tabular models for alignment with common business definitions.
* Reuse definitions from self-service models to IT-owned semantic models.
For a detailed list of features and use cases, see the ALM Toolkit and BISM Normalizer [documentation](https://github.com/microsoft/Analysis-Services/blob/master/AlmToolkit/Model%20Comparison%20and%20Merging%20for%20Analysis%20Services.pdf).