Where can I find information about the Parts List End Angle Column?
The link below explains the criteria to compute End Angle for a Parts List column:
https://docs.sw.siemens.com/en-US/doc/246738425/PL20230918048379379.manufacture/prtlst1a
Look for 'Parts Lists -> Creating parts lists -> Creating reports for parts and frames'.
The figure below is an example that shows the 'End Angle' columns as seen in the Parts List, and on the graphics.