App Development with Backend in React Native

i want to create web app in react native in which user can login and register and send information and bill images to admin panel. In this I need

Loading page
Login / Register
Basic Info Page
Home page
- all services
- lead forms

Backend of this app
admin panel
- bills as per categories
- leads form data as per categories
- user management
everything in details in pdf after project finalization

all UI material is provided by us