Hello @Dinuka Wanasinghe , you might try React Native App Auth which is a listed as a Compatible client library. Also you might try react-native-msal which depends on @azure/msal-browser. Keep in mind both libraries are not supported by Microsoft but by their respective authors.
Let us know if this answer was helpful to you. If so, please remember to mark it as the answer so that others in the community with similar questions can more easily find a solution.