https://www.dropbox.com/s/c05j3r8m2r293we/tafsir%20surah%2025.pdf?dl=0 - something like this halal to read? No publisher or anything + ibn kathirs all over websites etc
First question yes, it's looks like someone did the work and uploaded it publicly.
Last statement, abundance is not an indication of permissibility.
Last statement, abundance is not an indication of permissibility.