Power point automation using UI Path

Hi Team,

I am trying to read text from text box or diagram box using read text activity and screen scraping.
Looks like selector is unreliable as it validates sometimes and then becomes invalid after that.
I can see no change in the attributes of selectors while re-validating. Any suggestions?

Are there any replace text capabilities also available with UI Path within PPTs?

Please check this @shefali.khare