Problem to open documents

Hi,

I dont know what is going wrong but I cannot open  pdf files from this link: https://www.canada.ca/content/dam/ircc/migration/ircc/francais/pdf/trousses/form/imm5532f.pdf

All the files from that web site are not possible to download and the message say that I need to have at least adobe 8 but I have Adobe dc and I just downloaded the new version. What is the problem?

Any Idea?