The Planning Board and Zoning Board of Appeals shall have the authority to call upon any department, agency or employee of the Town and/or other professionals for such assistance as shall be deemed necessary and as shall be authorized by the Town Board. Such department, agency or employee, and/or other professional may be reimbursed for any expenses incurred as a result of such assistance by the project applicant. The Planning Board and Zoning Board of Appeals shall have the power and authority to require establishment of escrow accounts, employ experts, clerks and a secretary and to pay for their services, and to provide for such other expenses as may be necessary and proper, not exceeding the appropriation that may be made therefor by the Town Board.