I've already installed Acrobat Reader Dc, but are there any Adobe tools that can help me improve the speed of PDF processing?

We cannot answer your question without understanding your unusual problem in detail. There is no Please answer all questions carefully, there will be more.

What is the current speed (time taken to print 10,000 sheets of 2 images each)?

What is the file size?

Is there any message while it is processing, telling you what it is doing?

Is there any message while it is processing, telling you what it is doing?  What is the speed, page count and file size (so we can estimate if it’s normal or unusual).

What is slow for you?