problem converting png to pdf
I just got the 16 in MacBook Pro, and When I am using preview I am having trouble successfully converting my PNG documents (specifically ones that are multiple pages) to PDF documents. I do it no problem on my 2 year old MacBook Pro but when I try on the new one it changes all the pages to duplicates of page 1.. idk what to do. please help me.
MacBook Pro 16″, macOS 12.0