When converting a document to PDF/A, the following changes are made to a document:
- Graphics will be converted to a device-independent format. If any device dependent color spaces are used, the corresponding color profile will be embedded.
- Non-embedded fonts will be embedded.
- Transparency will be removed.
- Unsupported annotations (e.g., video, audio, 3D) will be removed.
- Embedded files and external hyperlinks will be removed.