We have found 3 software records in our database eligible for .ics to .pdf file format conversion.
The most typical way how to produce a PDF document (.pdf) from macOS / OS X Calendar (formerly iCal) files (.ics) is to simply print them as PDF using the default print function in the program. So on Mac ics to pdf conversion is a pretty straightforward procedure.
You may also find utilities for handling macOS / OS X Calendars on Windows, and the same printing technique might work as well.
ICS
Files with ics extension are calendar data in exchange format which is widely accepted in many personal information managers and e-mail clients such as Microsoft Outlook, or Apple iCal. It is an universal format for transporting calendar data and events from one program to another.
PDF
A pdf file extension is mainly used for Adobe Portable document format, commonly referred to as PDF. All programs that create some sort of documents or projects offer the possibility to export their format to PDF format. A free PDF viewer (Adobe Reader) is available for download from Adobe website.