You're Download Manager may be disabled by default which will prevent you from downloading your documents
To enable Download Manager please follow the instructions
Android OS Version 10 and 11
- Go to Settings > Apps then Tap on the Sort button
- Enable Show System Apps and select All
- Search for Download Manager
- Tap on Enable
Android OS Version 6.0+ and Above
- Go to Settings > Apps then Tap on the three dots on the top right hand corner
- select Show System Apps
- If you see Enable apps please click to select All
- Search for Download Manager
- Tap on Enable