Lightroom CC for mobile (iOS): How do I export original raw files?

You can add photos into LR CC Mobile from the iPad camera roll or via the Files app (cloud storage including iCloud and local iPad files). If the iPad can access the NAS from Files.app, I would think you could import directly but I don't think LR CC Mobile for iOS supports offline storage the way the Mac version does. I believe all original photos on LR CC Mobile are stored in the cloud.

It's looking to me like I'll have to enable "Store Locally" from the "..." menu next to the albums in library view that I want to transfer and then maybe it'll give me the option to export/save to a local, network, or cloud drive?...

My understanding is that LR CC Mobile stores "Smart Previews" on your iPad unless you designate that the full original file (eg RAW) should also be stored locally. The notion is that your content is safely in the Adobe cloud and that bandwidth and local device storage is optimized by working with Smart Preview files.

In looking at the LR CC Mobile FAQs (https://helpx.adobe.com/mobile-apps/help/lightroom-mobile-faq.html), the exception would be if you have LR Classic CC on the desktop. According to Adobe:

When you sync raw files from Lightroom Classic CC on your desktop to Lightroom CC for mobile, Lightroom Classic automatically renders a smart preview of your raw photos and syncs that smart preview to your mobile device. Smart previews are smaller versions of your original raw file that retain all the flexibility of a raw file at a fraction of the size.

When you upload raw files from Lightroom CC on your desktop, it automatically backs your original file to the cloud and lets you access and work with your photo from any desktop or mobile device.

All I want to do is shoot photos, capture and edit them in the field on the iPad, then later quickly transfer the raw images along with the edits back to LR Classic.  LR on iPad doesn't appear to support exporting XMP sidecars so while I can export the RAW files my edits don't go with.   The only path Adobe has provided is to sync your images and edits with their Cloud.  If you shoot a lot of RAW images this requires a step up to the 1TB Cloud Storage plan and it requires having no data limits on our broadband service (or paying the overage charges) and a lot of patience waiting on all that data to go up to the cloud and return (sync) to the desktop.   This scheme is great for those that want to archive libraries up in the cloud but somewhat expensive and time consuming for those only desiring a direct process back to the Desktop (Classic).  Perhaps best to use a notebook instead of iPad in the field giving up the slim slate, pencil, and touch screen.  Maybe the Surface Pro running LR Classic is an answer to having it all.   It's ironic how long we waited for Apple to get out of the way and give us a direct import path from the camera to 3rd Party apps.  Now Adobe cleverly confines their own eco-system.  Perhaps Adobe will give us SideCar support in future versions of LR on the iPad.  I hope so!