Based on your answers, it appears that your conviction is not eligible to vacate.
This is because your conviction is one of the following:
Obscenity and Pornography as defined in Chapter 9.68 RCW
Sexual exploitation of a minor as defined in Chapter 9.68A RCW
Sex offenses, as defined in Chapter 9A.44 RCW, except for failure to register as a sex offender as defined under RCW 9A.44.132