Load PDFDocument from URL when available rather than from the data. This resolves relative URLs (which otherwise lead to a crash due to a PDFKit bug). 
Load PDFDocument from URL when available rather than from the data. This resolves relative URLs (which otherwise lead to a crash due to a PDFKit bug). 

JackieXie168/skim,JackieXie168/skim,JackieXie168/skim,JackieXie168/skim,JackieXie168/skim