"At this stage, we lack the authority to resolve the questions of credibility and conflicts in the evidence identified by an employer." O.C.G.A. § 34-9-105 (c) (d); Murth v. Maynard Fixturecraft, Inc., 252 Ga. App. 483, 565 S.E.2d 845 (2001); Southwire Co. v. Molden, 223 Ga. App. 389, 477 S.E.2d 646 (1996).