You can try, but usually that won't work - unforunately not wanting to pay for software doesn't grant you the right to an unlimited trial, and distributors take careful steps to stop that kind of "technically legal" skirting around buying a license.
If you can't afford Sibelius, maybe look into some free alternatives, like MuseScore or LilyPond.
BTW, I took this course at udemy.com. It was fantastic! I feel so comfortable working in it now. It's only $35.00.
https://www.udemy.com/course/take-your-sibelius-skills-to-the-next-level-course-1/
Absolutely! If you upload the link to Dropbox of Google Drive if you have them, or FileDropper or TinyUpload (or really any other hosting service), you can PM me the link and I'll render it out for you.
I think Musescore might be interesting. It's free, so that's a plus.
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Here's a comparison I googled to hid the lack of knowledge on my part: