I'm sorry for any inconvenience this may have caused, @MINIMA. I completely understand how frustrating this must be for you.
To assist you with getting this resolved as quickly as possible, I recommend reaching out to our Customer Support Team. They can also prioritize this issue and create an investigation to get it resolved quickly. You may follow the steps shared by my colleagues on how to reach them or click this link: QuickBooks Online Support.
For now, I suggest that you access your account through a web browser and view your expense PDF attachments from there. I'll share these links that will help you manage your expenses and attachments:
Also, you may open this article on how you can manage your payables in QuickBooks: Learn the difference between bills, checks, and expenses in QuickBooks Online.
Feel free to leave a comment below if you have any concerns regarding attaching PDFs to your expenses or anything else related to QuickBooks Online. I'm always here to provide additional assistance.
