Guess the mapping is done inside the library?
No, it's done inside the chip. The library is not re-mapping anything.
So try this:
row led pin chip pin
1 9 22 SEG DP
2 14 14 SEG A
3 8 16 SEG B
4 12 20 SEG C
5 1 23 SEG D
6 7 21 SEG E
7 2 15 SEG F
8 5 17 SEG G