Acrobat showing the fonts differently

[Tiago5FD0]

So, I have some .pdfs here that, when I open them on the web browser (like Firefox in my case), they show some Arial fonts okay:

When I open the same .pdf file in Acrobat Reader, on the other hand, it appears like this:

What is happening?

Here are the fonts:

Thanks for the help 🙂

[Tiago5FD0]

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