There are at least 20 different posttrib interpretations on the seals, trumpets, and bowls in Revelation. In the article below, I give only one representative posttrib interpretation in order to explain that they do not view the seals, trumpets, and bowls occurring consecutively.
In my exposure to posttrib over the decades I have found that posttribs cannot agree on how the seals, trumpets, and bowls relate to each other. That should be a red flag. Their interpretations on this topic are typically forced and even contradictory (see my article on this below).
I attribute this posttrib confusion to their deep-seated assumption that the parousia begins in Rev 19 with Christ at the battle of Armageddon, where they must then force this event as the same event as the resurrection of God’s innumerable people in Rev 7. Accordingly, they are forced to recapitulate the seals, trumpets, and bowls in order to make this work. This has resulted in a slew of posttrib conflicting interpretations.
Prewrath interpertation is much simpler. It takes the principle of Ockham’s razor, which is the problem-solving principle that essentially states that “simpler solutions are more likely to be correct than complex ones.”
Prewrath interpretation is also more biblically plausible viewing the three septets as consecutive-progressive. See the following article.