Yes. The Veterans Administration does not limit the number of VA mortgages a Active Duty, Veteran, National Gurad or Surviving Spouce may have. The only restriction to the number of mortgages is the amount of entitlement left for the borrower to use.
Switching a job or employer is not a dead end to your mortgage. The main concern will be the type of income that you currently make vs. how you will be paid in the future.
Tax transcripts are official documents provided by the Internal Revenue Service (IRS) that summarize information provided to them about you. They are often used for various financial and legal purposes, including verifying income, applying for loans, and resolving tax issues.