As titled, is Vident iAuto700 a Bidirectional OBD2 Diagnostic Scanner?

Yes, Vident iauto700 is a Bidirectional scan tool supporting following Bidirectional test functions:

Oil service reset
EPB (electronic parking brake)
BRT (battery configuration)
DPF (Diesel particulate filter regeneration)

iauto702 pro, iauto701, iauto704, iauto710 etc support more Bidirectional functions comparing iauto700 scan tool, check table marked purple below: