Google does not allow IP blocking on these campaign types; therefore, Veracity cannot protect them:
Performance Max campaigns
Why are smart campaigns not protected?
Google smart campaigns don’t allow for IP blocking. Veracity can detect and report on smart campaigns as well as all other campaign types mentioned above. With visibility of fraudulent traffic on your smart campaigns, you can act on this insight and convert high-fraud campaigns to standard campaigns and therefore start protecting them with Veracity.