Plaza Level seats down the line offer a cheaper alternative to the Field level seats directly in front of them. The seats down the LF line will have the sun behind them during late afternoon and evening games, while RF seats - especially 247-249 - will have to deal with the sun.
For the most comfortable views of home plate, choose seats as close to the infield as you can. Sections 214-215 and 240-241 offer good sightlines towards both the infield and the outfield. If these sections are unavailable (or out of budget), consider instead sections all the way down the line like 206-207 and 248-249. These are more like outfield seats, but they're usually much less expensive and the angle towards home plate is much better than many other sections down the line.