PDF .
UIImage* image = [UIImage imageNamed:@"sample.png"];
CGRect frame = CGRectMake(20, 100, 300, 60);
NSString* fileName = @"FileName.PDF";
NSArray *arrayPaths =
NSSearchPathForDirectoriesInDomains(
NSDocumentDirectory,
NSUserDomainMask,
YES);
NSString *path = [arrayPaths objectAtIndex:0];
NSString* pdfFileName = [path stringByAppendingPathComponent:fileName];
UIGraphicsBeginPDFContextToFile(pdfFileName, CGRectZero, nil);
UIGraphicsBeginPDFPageWithInfo(CGRectMake(0, 0, 612, 792), nil);
[image drawInRect:frame];
UIGraphicsEndPDFContext();