Overview page and completed scans

When you're logged into the DubBot dashboard is it showing that it has completed crawling of all the pages in the sitemap that you provided?

Once it scans those pages then they should show up in the dashboard (assuming you're using the correct API key).
And if you have the toolbar widget enabled it should show the DubBot logo with number of improvements next to it when you're visiting that page with the correct roles and permission to view the DubBot reports.

DubBot dashboard shows a complete scan and the DubBot Toolbar shows me indication of issues and pops up the overlay with the correct url as it should. I just can't seem to get the Overview area to populate. Does the toolbar working correctly verify the key is correct?

Yes, if you're seeing the DubBot icon w/ a number next to it or items showing up on the Dashboard then this confirms the API key is working.
Have you tried clearing your site cache and re-visit the dashboard page? Or log out and try logging back in.

If that doesn't work. If you know how to open the developer console in your browser and look for any error messages that may help debug if this is in fact an issue.

What version of Drupal are you running?

10.4.7.

Tried to clear cache, run update.php, and a cron run just to see if anything triggers. There are no console errors in chrome.

I am seeing the #empty message (https://git.drupalcode.org/project/dubbot/-/blob/2.x/src/Controller/DubB...) when the table is built, seems like $this->pages() is empty.

I don't know if this has any impact on this or not, but I do have multiple sites under one account on DubBot.

I've not been able to replicate the issue. I think the next step is to reach out to DubBot support.
I've see similar things happen before and they were able to resolve the issue on their end or at least provide us with more information to debug. The chatbox on their website is a good place to do that.

I'm working with support on this. I did notice (can't believe I missed this yesterday) the following error in the Drupal logs.

Error performing operation Overview: Server error: `POST https://api.dubbot.com/embeds/<APIKEY>/pages?show=best-practices%2Cweb-governance%2Ca11y%2Cspelling%2Cseo%2Clinks` resulted in a `500 Internal Server Error` response: {"status":500,"error":"Internal Server Error"}

Appears to have been a platform issue. Thanks for jumping in @davidburns