Complete the application if you are engaged in business in Texas and: Sell or lease tangible personal property in Texas; or; Sell taxable services in Texas. We are committed to providing the property owners and jurisdictions of Bexar County with an accurate and equitable certified appraisal roll.Duties and Responsibilities. VIA operates over 90 weekly routes that connect people throughout the San Antonio region. Buses operate from 5am to 2am (depending on route).