Paid you annual maintenance fee?
If not, you can't download anything useful. Not even the security patches.
Once you stop reeling from Microsoft's monster two-month patch dump, VMware's new patches and news that Dungeons & Dragons is going digital, brace yourself again because SAP has popped out has 25 patches and two patches for patches for you to consider. The most severe, which SAP customers* can read about at Security Note …
In my employer's SAP HANA Self-service, no Linux browsers we tried, and only one Windows browser, let you book holiday at the specified time in any month; with any other browser, it would book the holiday for the same day of the next month with 31 days.
At my previous employer, we hired a part-time group secretary to operate SAP for us, because she could do it faster than programmers could, as everything in it was so counter-intuitive to computing people.