All FAQs (Frequently Asked Questions) about user documentation are available from the following index page: Category:FAQ_EN
For Frequently Asked Questions on Dolibarr development, read the page Developer FAQ.
Other FAQs about troubles experienced and solutions are available on the page Troubleshooting.
See also the page Dolibarr help and support.
A lot of Questions (and Answers) are also available on the Dolibarr forum.