One way is to merge the two pages using a separate program then import/load. Or try adding 'pg1' to the 1st page, which changes the name of the file. Set up a folder 'files to MS', put both pdf files with different names in it and do a batch import.
Dell Latitude 13.5" 2-in-1 Ubuntu/Win 11
Samsung Note Pro SM-P900 12.2 Android 5.0.2
Samsung S7+, Android 12
Samsung Note Pro SM-P900 12.2 Android 5.0.2
Samsung S7+, Android 12