I wish it only took a second to render some of the things I've opened. I've found a lot of the manuals from Automation Direct are very slow to open and navigate

I wish it only took a second to render some of the things I've opened. I've found a lot of the manuals from Automation Direct are very slow to open and navigate. For most things I ignore pdf.js and save files to desktop so I can open them with a "proper" viewer.