The People Also Ask feature is a series of such dynamically loading questions that are actually related to the first searched query that shows in the search results on the desktop and mobile. When a certain user clicks on the question in such PAA feature, there is a drop-down showing up the featured snippets which are termed quick answers from another search result.
For a lot of the PAA results, every time a user would click an additional PAA question, then the new dynamically loading question would be shown below. There have also been a few instances of many PAAs but many would stop after some new questions. It was in the summer of 2015 that such PAA feature was initially shown. Be aware that the organic search feature is essentially a part of the ongoing efforts of Google to be able to improve such search experience as well as to keep the searches in such Google interface much longer.
Compared to the featured snippets, People Also Ask feature now moves around the first page of the SERPs. But, the majority of such PAAs showed at the bottom on that first search result page.
What you must know is that the People Also Ask feature has really grown in popularity at the time that Google first debuted this in 2015. You must learn that the PAA is really one of the growing search result page features and this is also a lot faster even such featured snippets known as quick answers.
What you should know is that such PAAs actually show in 70 percent of the search results that show snippet and this seems to be using the same source for answering the featured snippets and the different PAA questions. What this truly means is that ranking the answer to such featured snippet as well as PAA question may result in various instances of exposure. An important info to know is that PAA can actually show up in over 20 search result pages.
If you are going to try ranking for as the answer in the People Also Ask question, you have to optimize such like you would for that featured snippet. Make sure that you answer the question in a very concise, clear and in such authoritative manner. Having that question or answer to content would give a much better experience for the user by aligning the intent of the user with the relevant content.
It would be a fantastic thing that you really checkout the website for you to have more info on the advantages of such Google expanding the People Also Ask feature. With this, you can learn more on how you can benefit using the PAA.