If I am right, SAW 3 Director's Cut was only released on DVD in USA, and on BD as shorter Unrated Version.
France has a Region B locked BD of the Director's Cut Version with following specs:
DISC INFO:
Disc Title: SAW3
Disc Size: 39.167.404.040 bytes
Protection: AACS
BD-Java: No
Extras: 50Hz Content
BDInfo: 0.5.8
PLAYLIST REPORT:
Name: 00001.MPLS
Length: 2:00:49.242 (h:m:s.ms)
Size: 29.758.470.144 bytes
Total Bitrate: 32,84 Mbps
VIDEO:
Codec Bitrate Description
----- ------- -----------
VC-1 Video 24896 kbps 1080p / 23,976 fps / 16:9 / Advanced Profile 3
AUDIO:
Codec Language Bitrate Description
----- -------- ------- -----------
DTS-HD Master Audio French 2526 kbps 6.1 / 48 kHz / 2526 kbps / 16-bit (DTS Core: 6.1-ES / 48 kHz / 1509 kbps / 16-bit)
DTS-HD Master Audio English 2639 kbps 6.1 / 48 kHz / 2639 kbps / 16-bit (DTS Core: 6.1-ES / 48 kHz / 1509 kbps / 16-bit)
DTS Audio English 256 kbps 2.0 / 48 kHz / 256 kbps / 16-bit
DTS Audio English 256 kbps 2.0 / 48 kHz / 256 kbps / 16-bit
DTS Audio English 256 kbps 2.0 / 48 kHz / 256 kbps / 16-bit
SUBTITLES:
Codec Language Bitrate Description
----- -------- ------- -----------
Presentation Graphics French 0,011 kbps
Presentation Graphics French 15,180 kbps
Presentation Graphics French 34,510 kbps
The subtiotles seem not to be locked.