Open PDF was defaulted to system, not Zotero, which was my issue. At the time I figured that Zotero would update/export annotations even when using system default, which is preview. Thank you for the quick responses!
1) Looking in the wrong place I see all appropriate files, collections, etc. 2) Sync process hasn't completed I see the edited file in the online library with updates from the iPad. Automatically and manually syncing with zotero.org in the MacBook …