I had this a few weeks back on 3 of mine, the exact same. 2 were unlimited and one asked for a lot more. At the time it felt like it was just tightened security but maybe it’s just something that is happening now,
I have been doing that for many years no problems at all. Selling pdfs by itself is NOT prohibited if no copyright included.
True - but keep in mind that PP evolves over time - hopefully if you decide to continue on other accounts with same activity, you aren't caused grief like this again