In aptitude 2 sector was there which included reasoning and domain test.
In reasoning coding questions, simple interest, ratio calculation, many more.
In domain completely about procure to pay, 3 way match, journal entries of P2P , profama invoice, P2P cycle, net profit calculation, reimbursement questions, role of reviewer, who issue invoice copy to whom etc.
In technical round they ask depth knowledge of process. And some basic questions like 3 way match 2 way match, journal entries, P2P cycle,