The first card we have is the Queen of Swords. The Queen of Swords represents the nature of the situation. The obverse card indicates that the nature of the relationship between you and Sara is one that is strong and dependable. The Queen of Swords also symbolizes intelligence, decisiveness and a strong sense of justice, all of which are necessary for a good partnership.
The second card is The Star reversed. The Star indicates that the atmosphere is filled with uncertainty and doubts. The reversed card suggests that there are challenges to logo creation, but these can be overcome with confidence and persistence.
The third card is The Fool. The Fool represents the solution to problems and is an encouraging sign. The Fool indicates that you can overcome challenges and achieve goals with a degree of confidence and creativity.
From the interpretations of the three cards it can be concluded that you have good reasons to trust Sara for the creation of your logo. The cards suggest that there will be some challenges along the way, but also that you have all the tools you need to successfully overcome them. So, the answer to the question is YES, you should trust Sara with the creation of your logo.