Can viewing a pdf document via text message from an unknown phone number contain a virus?

So long as you didn’t disclose any personal or payment info, you’re very likely fine.

States have warnings about toll scams.

Here is what Massachusetts and New Hampshire have published:

• https://www.mass.gov/news/massdot-alerts-customers-of-ezdrivema-scam
• https://www.dot.nh.gov/news-and-media/nh-turnpike-alerts-customers-smishing-scam

Here are a few of the many other scams:

• Recognize and avoid social engineering schemes including phishing messages, phony support calls, and other scams - Apple Support

No worries, just close and delete the scam document.

Even if you clicked on a link in the document, no harm is done unless you provided personal information and then clicked to send the info.