Before saving to PDF file, select events you want to save to PDF or save all your Calendar all together.
Each calendar will be summarised with its number of events, calendar type and owner info.
Have full details of calendar events in file including location, organiser, date, time, duration and type of event.
You can also save events to ePUB format. ePUB is preferred format in case you face language issues.
History of already created files will be maintained and you can easily access them from History section.
From history section you can share, email the pdf/epub file of calendar events.
The other major feature of application is Backup, yes you can also create simple backup file in JSON format to restore them later on your new or other android phone.
The backup is simple JSON file and can be easily restore using "Backup Calendar To PDF" application.
Backup can also restore your events even the Calendar is not available on device, you select events to move to another calendar for right now.
The application is fully free and regularly updated.