I don't know much about her policies. It appears she's unconventional for the PP, or simply representative of the fact that the hardliners are out of favour with Rajoy. In this El Pais story she's characterised as

... a brilliant State's Counsel, ... some don't exclude that she may have voted for PSOE some time ... effective and discreet ... organised, nor prone to giving up, and absolutely faithful, ... a woman who got a civil wedding in Brazil and promised rather than swore her seat in parliament gave an image of modernity contrary to the traditional PP ...

She just gave birth to a child and she chose to not take maternity leave in order to concentrate on the important work of coordinating the transfer of powers.

tens of millions of people stand to see their lives ruined because the bureaucrats at the ECB don't understand introductory economics -- Dean Baker