Will there be copyright infringement when using open source libraries?

Question

Copyright

Hello.

Suppose I want to make software, for example, let's take a calculator (abstractly).
And I want it with the help of the symphony framework + a couple more libraries from github.
Where a couple of libraries are licensed BSD 3-Clause and a couple more FreeBSD.

Of course, I will write my code there, but in the end I want to sell this calculator.

There are two questions
1. Will I violate copyrights
2. Is it right to use the library opening in commercial software?

It's just that I have never come across this and so I decided to ask those who know and may have come across this.