Problem:
The user would like to create links that will focus on their related marker on a view's map.

Solution:
There is no such feature. But it can be implemented using custom Javascript code. Check this solution https://toolset.com/forums/topic/create-link-on-cpt-content-template-that-links-to-map-marker-focused/#post-2119783

Relevant Documentation:
https://toolset.com/documentation/programmer-reference/maps/maps-shortcodes/#map-focus-on-marker

Problem:

Is it possible to have the title of a professional's custom post (his professional profile) automatically created from his first and his last name (i.e. the name of the WordPress author)?

Solution:

You can consider custom codes, for example:

https://toolset.com/forums/topic/create-the-title-of-posts-from-the-name-of-their-author/#post-2119497

Relevant Documentation:

https://toolset.com/documentation/programmer-reference/cred-api/#cred_save_data

Problem:

I can build a view with one dropdown filter but now I'm looking to combining several filters.

Solution:

It is possible with Toolset Blocks/Views plugin, you can follow our document to setup the search form and search result:

Relevant Documentation:

https://toolset.com/course-lesson/creating-a-custom-search/