Hi Colin,
As you are not able to view the purchase, could you please let us know where exactly you are checking?
You can check all your Adobe products under your account here Sign in - Adobe ID.
Make sure that you use the same Adobe ID (email address) that you used while purchasing the Adobe Acrobat Pro DC.
We are not able to locate any details using the transaction ID that you have shared above.
Please check if the transaction ID is correct.
Can you share the email address that you used while purchasing the product, in a private message?
You can initiate the private message using the steps mentioned here How Do I Send Private Message.
Note: Please do not share the email address on the forum here or any other social sites.
Regards,
Meenakshi