| Document import | PDF size limits, number of pages, drag-and-drop, cloud storage support, batch uploads | Large reports can exceed limits or require splitting files. |
| Complex layouts | Multi-column text, headers/footers, embedded images, charts, tables | Poor layout detection can cause text to be read out of order. |
| OCR (text recognition) | Accuracy on scanned pages, mixed text/image PDFs, handwriting support (if applicable), language support | High-quality OCR makes scanned reports usable without manual cleanup. |
| Tables and figures | Summarizes tables, skips decorative elements, describes charts, handles captions | Listening to raw table cells is often difficult to follow. |
| Navigation | Jump by heading, table of contents, bookmarks, page numbers, resume where you left off | Makes it easy to revisit sections during a commute. |
| Playback | Voice quality, adjustable speed, pause/resume, skip forward/back, pronunciation options | Better voices reduce listening fatigue over long sessions. |
| Offline listening | Download audio, cache documents locally, works without an internet connection | Important if your commute has unreliable cellular coverage. |
| Output options | MP3 export, downloadable audio, text summaries, chapter-based audio | Useful if you switch between devices or want to archive briefings. |
| Privacy & security | Encryption, data retention, enterprise options, compliance certifications, local processing | Particularly important for confidential work documents. |
| Platform support | iOS, Android, Windows, macOS, web, sync across devices | Ensures a seamless experience between work and commuting. |