@aprodo Sorry to read about the difficult experience with that Signing Service [SS] (Cloud Signings).
That particular SS is well-known for their Non-Payment status.
There are myriad threads on that SS with information regarding steps to take for collection of unpaid invoices.
You may find success if you reach out directly to the Title Company (usually listed on your Signing Order [SO]) for the SOs you successfully completed.
I’ve sorted the threads by the most recent first to assist you in the Research of the threads on that SS.
Here is the direct Notary Cafe url link to those threads: