Can I reimburse my employees directly to their bank account?

Yes, that can be done. Zoho Expense support online reimbursements via Forte.

Navigate to Integrations > Forte and create a new Forte account using the bank account from which reimbursements will be done. Once your done with the setup, employees will be notified of this and will be asked to add their deposit bank accounts to receive payments. Click here to learn more about it.