Where do I insert SD card
Where do I insert the SD card in an 8th generation iPad? You've been asked before, but did not answer. You gave a description of things not asked about.
iPad, iPadOS 15
Question marked as
Nowhere. iPads don't have SD card slots.
You would need an external SD card reader connected to the charging port on the iPad. Then you insert the SD card into that card reader.
Link->Lightning to SD Card Camera Reader — Apple - Apple
Also, this was posted in the Mac Pro forum which has nothing to do with iPads. I have requested the forum moderators move your post to a more appropriate forum section.