ng2-pdfjs-viewer

With over 7 million downloads and 8+ years of continuous development, it's battle-tested for production, as emphasized in the README's emphasis on long-term support.

Includes URL validation, CSP compliance, and secure iframe sandboxing with fixed attributes, making it suitable for secure document viewing in corporate environments.

Offers theme systems, CSS custom properties, and Angular template support for loading/error states, allowing complete visual control as detailed in the advanced configuration section.

Provides 24+ events covering all user interactions and state changes, enabling fine-grained control and integration with Angular's event-driven architecture.