Unfortunately, we don't have a specific example of a multi-select dropdown in our demo. However, you can utilize the Angular Material component library to implement a multi-select dropdown in your Angular project.
Static html components you can use in Angular but jquery and other nonangular javascript components are not available for Angular out of the box. Most of them require workarounds.
At the moment our Angular-compatible js components are all shown under the Angular demos. The features are limited in the Angular compared to the HTML version but it provides a quite solid solution for Angular projects.
Just in case Metronic Angular does not fulfill your project requirements you may request a refund using Themeforest Refund Form. 100% money back is guaranteed.