Not be an SA or a Clown here, but legally, you can kill the following number of white tail bucks in Texas, and this is all counties that have a season for white tails.
The important number to remember, and there are some exceptions to this, but the important number is 3.
That is the State Wide limit for buck white tail deer in Texas.
From there, you have to look at the limit in the county/counties you hunt in.
Some counties are 3 buck counties.
Some are 2 buck counties.
Some are 1 buck counties.
As long as you do not exceed the state wide limit of 3 OR the limit established for the county/counties you are hunting in, you are okay.
You can kill all 3 bucks in one of the 3 buck counites.
Or you can kill one buck in three diferent 3 buck counties.
You can kill one buck in 3 different one buck counties.
Or you can kill 2 bucks in a two buck county and one buck in a differt 1, 2, or 3 buck county, or you can kill 1 buck in three different 2 buck counties.
Then all that is necessary, is to keep that number 3, the state wide limit in mind, then find out what the limit is on bucks in the county/counties you are hunting in, and just do not exceed the limit in any individual county or the state wide limit of 3 and you will be in good shape.