VA Staffing and Vacancies Transparency Act of 2017 This bill requires the Department of Veterans Affairs (VA) to publish and update monthly on a publicly available VA website, for each VA component and Veterans Health Administration medical facility, the number of: personnel encumbering positions; accessions and de-accessions of personnel during the preceding month; vacancies, by occupation; and active job postings that have been filled during the preceding 30 days, including the length of time for which each position was posted prior to being filled. The Inspector General of VA must review and make recommendations for improving the administration of the website semiannually. The VA shall report to Congress annually on the steps it is taking to achieve full staffing capacity.