In my downloaded tree, I'm finding that transcription details - especially the transcription - are missing from many citations.
Whether the citation transcription appears does seem to depend on the source. One example is the Social Security Death Index, where I get the Page field correctly, e.g.
Number: xxx-xx-xxxx; Issue State: Tennessee; Issue Date: Before 1951.
but the transcription is missing both from the Citation Manager and from an exported Gedcom. It looks like this on Ancestry and FTM: (.