TS3DS26227: Can ts3ds26227 be used to mux PCIe clock?

Part Number: TS3DS26227

e2e,

1. Can ts3ds26227 be used to mux PCIe clock?
2. If yes, can we use it between two PCIe switch PHY to control the direction of clock flow?
3. In the Table3.FUNCTION TABLE of the data sheet, OFF means high impedance or complete open?

Thank you,

Adam