For text alignment, you should be able to find it on the Toolbar in Design tab - Open the form, make sure you are in Design tab.
Select the text and then the option circled here:
If you are asking for a alignment tool for the actual form fields (when say they are side by side) then we don't have a tool, you will have to play around by resizing the width of each field.
Hope this helps,
Sorry, I should have been more clear. I have a text field and a picture field, although I can select both fields there is no option to align the two.
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Sorry, we don't have a tool for fields alignment. In your particular case, you would need to align the text in the text field, and adjust the size of the image (or maybe create - enlarge or reduce - the image to fit well within the page or location) - please take a look at some of the Templates, some of the images are used as section header/footer or separators.
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