Can't get dual citizenship because mom died?

Your grandparents and aunts in Taiwan make the process much easier than you do everything by yourself just based on your mom’s nationality.

The passport and TARC don’t allow you to work. You may need a work permit.

Ref.

Employment Service Act

Article 79

行政院勞工委員會95年6月2日勞職規字第0950026534號函釋